Used Window Dolly for sale (11,649)

Condition: ready for operation (used), Year of construction: 2012, complete production line from SCM Technical details: Workpiece length 250 - 3,100 mm Productivity 180 parts/shift Feed rate, continuously adjustable, max. 20 m/min Bwjdjz D R S Tjpfx Amreu Automatic central lubrication system CE conformity marking 2 slot spindles with HSK85 tool holders 2 profiling spindles, right, with HSK85 tool holders 2 profiling spindles, left, with HSK85 tool holders 3 spindles, horizontal 8 tool changers, 96 positions Space requirement approx. 30,000 x 15,000 mm Equipment of the system: 1 - Transverse conveyor SCM for feeding the planing machine 2 - Planing machine Superset NT 31 3 - Transverse conveyor SCM to the double-end profiler 4 - Double-end profiler SCM Multiten D 5 - Transverse conveyor SCM to the drilling machine 6 - Drilling machine SCM Fleximat 7 - Double-angle transfer with transverse buffer SCM TA 1/1 8 - Drilling machine SCM Fleximat 9 - Double-angle transfer with transverse buffer SCM 10 - Longitudinal conveyors 11 - Profiling machine SCM Winprof R 12 - Transverse conveyor SCM 13 - Profiling machine SCM Winprof L 14 - Transverse conveyor at the outfeed SCM

Condition: ready for operation (used), Year of construction: 2007, functionality: fully functional, Equipment: rotational speed infinitely variable, For sale is a window manufacturing system, UC Matic 15, from Weinig, consisting of the following main components: - Infeed mechanism Bjdpfx Asx Sqxhomrowu - CNC machining center Unirex 2000 - CNC end machining system Unitec 15 - CNC length profiling machine Unicontrol 12 - Automatic double-part turning and return system - Outfeed buffer The system is designed as a continuous manufacturing system for window and profile processing and enables efficient and flexible production. The machines will be disassembled by a specialized company. The costs for this will be disclosed and are to be borne by the buyer.

Condition: used, This listing is for a Sartorius Stedim Palletank Cubical Jacketed-Mix 200L Storage Tank. Bwjdpfxsxxybvj Amrou The unit is in full working condition and is ready for immediate release. Unit is supplied with x2 Sartorius 200L STD Plastic Palletank and dolly. The Sartorius Stedim Palletank Cubical Jacketed-Mix 200L is a high-performance storage and mixing solution designed for biopharmaceutical applications. Engineered for compatibility with Sartorius single-use mixing systems, this temperature-controlled stainless steel tank provides efficient liquid handling, precise temperature control, and optimized mixing performance. Key Features: - Jacketed Temperature Control – Ensures precise heating or cooling for sensitive bioprocess applications. - 200L Capacity – Ideal for medium-scale liquid storage and mixing in GMP environments. - Ergonomic Design – Front doors allow for easy bag installation and port gates facilitate tubing and sensor integration. - Integrated Pro Mixer Compatibility – Railed port enables quick coupling of the mobile Pro Mixer drive unit in under a minute. - Optimized Draining System – Sloped bottom board ensures high product recovery without manual bag manipulation. - Weighing Function Option – Allows for precise volume control, preventing aggregate formation and ensuring product quality. - Visual Inspection Windows – Side windows enable real-time process monitoring during mixing. - Surface Finish Options – Available in Bead Blast or ASME #4 brushed finish for enhanced corrosion resistance and cleanability. Specifications: Model: Palletank Cubical Jacketed-Mix 200L Capacity: 200 Liters Material: Stainless Steel Jacket Type: Temperature-Controlled Jacket Mixing Type: Integrated Pro Mixer Compatibility Drainage System Sloped Bottom for High Recovery Application Storage & Mixing for Bioprocessing Compliance GMP, Biopharma Standards Benefits: - Precise Temperature Control – Maintains optimal conditions for biologics and cell culture media. - Efficient Mixing – Designed for homogeneous blending of process liquids, buffers, and media. - Enhanced Process Control – Weighing and volume control prevent aggregate formation. - Easy Integration – Compatible with Sartorius Flexsafe® Bags & Biostat® Systems. - Ergonomic & User-Friendly – Front door access and port gates for seamless tubing and sensor installation. - Durable & Hygienic – Stainless steel GMP-compliant construction with highly cleanable surfaces. - Applications: - Biopharmaceutical Manufacturing - Cell Culture & Media Preparation - Buffer & Reagent Storage - Vaccine & Protein Processing

Condition: used, Year of construction: 1988, operating hours: 2,506 h, functionality: fully functional, machine/vehicle number: 032-230, We are offering this Unicontrol 10 window manufacturing machine from Michael Wenig AG. Bwedpfx Ajzx Emdsmrsu It is in used condition, but fully functional. Year of manufacture: 1988, machine number: 032-230. Including control cabinet! Comes with three complete sets of tools from Leitz. - IV68 insert cutter with standard profile - IV68 cornice profile for listed buildings - Tools for wood and aluminum windows The following tools are included (as seen in the pictures): 1x slot cutter, vertical and 1x horizontal 1x slot frame, horizontal 1x tenon cutter, vertical, bottom and 1x top 1x cornice profile slot cutter, horizontal 1x tenon cutter, vertical 7 slot cutters 1x milling head frame, left/right/ top 1x milling head frame, bottom 1x milling head cutter, left/right/ top 1x milling head cutter, 2-wing, vertical 1x milling head cutter, bottom 1x milling head cutter, aluminum, for clipping 1x frame milling head, aluminum, for clipping 1x glass bead cutter, profile, standard 1x glass bead cutter, profile, cornice 1x roller shutter bead cutter It was decommissioned due to lack of space. Further information is available upon request. Stored in a weatherproof location in 96231 Bad Staffelstein - Uetzing. Collection at your own expense, including loading. We are happy to help, but due to the weight and the necessary loading equipment, we cannot take over the loading and transport and cannot provide any guarantee. Private sale. Old, used machine. No warranty, return, or guarantee claims.

Condition: ready for operation (used), Year of construction: 1996, functionality: fully functional, machine/vehicle number: 035-804, input voltage: 400 V, type of input current: three-phase, Equipment: CE marking, Year of manufacture 1996, the latest tools were acquired in 2024. Production of wood and wood-aluminum windows. Oppold IV67 mm wood and wood-aluminum. Also production of entrance doors and lift-and-slide doors. The production line is still fully assembled and functional. Additional tools: Bwodezlytxopfx Amrou Zuani IV79 and IV91 for wood and wood-aluminum, for EUR 7,700. If you have any questions or require further information, please feel free to send us a message or call us.

Condition: excellent (used), Year of construction: 2009, functionality: fully functional, spindle diameter: 50 mm, Window processing tools IV79 and IV91 Bsdpfx Aszltp Tjmrowu for wood, wood-aluminum windows, lift-and-slide doors, and entrance doors were previously used on a Winig UC6 with a 3 x 107 mm stroke. The UC6 can be easily converted from a 4 x 80 mm stroke to a 3 x 107 mm stroke.

Year of construction: 2007, condition: used, functionality: fully functional, Complete set of machines for the production of PVC joinery – sold ONLY AS A WHOLE. The set includes the following machines: - CLEANING MACHINE Elumatec EV 834/01 (8340120611 - 11/2007) Bwedpfx Amjzxdf Esrju - MILLING MACHINE Elumatec GF 171/00 (1710821408 - 08/2008) - MACHINE FOR CUTTING GLASS HOLDERS PERTICI BS771 (05V150 - 2005) - WELDING MACHINE Elumatec ZS 720/00 (7200020800 - 12/2004) All machines are in good condition and fully functional. An industrial vacuum cleaner for PVC chips is also included as a bonus with these machines.

Condition: used, Year of construction: 2012, The SAC F4TL window manufacturing centre is designed to meet the requirements of modern window production. It enables highly efficient, high-quality manufacturing with minimal setup time and without the need for tool changes. After machining, the workpiece is automatically returned to the operator. SAC F4TL CNC Window Manufacturing Centre – Machining Units Tenoning Side 1. Tenoning carriage 2. End trimming unit 3. Tenoning spindle Profiling Side 4. First profiling spindle 5. Second profiling spindle 6. Glazing bead notching unit 7. Hardware slot milling unit (optional) Feed System Tenoning Side 1. Tenoning carriage • Machining speed: 3–10 m/min • Return speed: 45 m/min • Table size: 290–955 mm • Motor power: 1.1 kW • Fence tilting angle: ±60° 2. End trimming unit • Saw blade diameter: 400 mm • Bore diameter: 30 mm • Motor power: 3 kW 3. Tenoning spindle Bedpfxozl D Dnj Amrowu • Vertical adjustment speed: 5 m/min • Spindle diameter: 50 mm • Spindle length: 620 mm • Vertical travel: 565 mm • Motor power: 7.5 kW • Maximum tool diameter: 350 mm Profiling Side 4. First Profiling Spindle • Spindle vertical adjustment speed: 5 m/min • Spindle diameter: 50 mm • Spindle length: 320 mm • Vertical spindle travel: 295 mm • Horizontal spindle adjustment: 60 mm • Spindle rotation direction: left/right • Motor power: 7.5 kW • Maximum tool diameter: 240 mm 5. Second Profiling Spindle • Spindle vertical adjustment speed: 5 m/min • Spindle diameter: 50 mm • Spindle length: 320 mm • Vertical spindle travel: 295 mm • Horizontal spindle adjustment: 60 mm • Spindle rotation direction: right • Motor power: 7.5 kW • Maximum tool diameter: 240 mm 6. Glazing Bead Notching Unit • Saw blade diameter: 200 mm • Saw blade bore: 30 mm • Horizontal spindle adjustment: 60 mm • Motor power: 2.2 kW Optional Unit 7. Hardware Slot Milling Unit • Motor power: 3 kW • Spindle diameter: 30 mm • Spindle length: 100 mm • Horizontal spindle adjustment: 60 mm • Vertical spindle adjustment: 60 mm • CNC-controlled with 2 vertical positions (maximum difference: 60 mm) • Maximum tool diameter: 190 mm Feed System • Feed speed: 4–20 m/min • Pneumatic workpiece clamping CNC Control and Software • 17" colour LCD monitor • 102-key alphanumeric keyboard • Operating system: Windows XP Professional Options • Hardware slot milling unit • Motorized NC-controlled stop • Return roller conveyor • Leitz IV 69 tool set • Leitz IV 90 tool set This machine is offered for sale on behalf of a customer. Viewing is available by prior arrangement. Please contact us through the platform's messaging system for further information and the relevant technical contact details.

Year of construction: 2008, condition: used, load capacity: 50 kg, plate length: 2,500 mm, plate width: 1,200 mm, stack height: 1,600 mm, TECHNICAL DETAILS Maximum panel width: 1,200 mm Maximum panel length: 2,500 mm Minimum panel width: 195 mm Minimum panel length: 250 mm Lifting capacity: 50 kg Operating performance: 18 cycles/min Maximum stack height from the ground: 1,600 mm MACHINE DETAILS Bedpfx Amsz Ekcnerjwu Total installed power: 15 kW CE safety compliance: Yes EQUIPMENT Removal of the panel stack via powered roller conveyor Vacuum pump WINDOWS control The machine is sold and delivered in its actual and legal condition (“as is, where is”) based on photo documentation and technical/commercial documents, which are for descriptive purposes only. The buyer has the right to inspect the goods before collection and assumes responsibility for the installation, securing, and use of the machine at the destination. External reference: 8347

Condition: used, Year of construction: 2007, Maximum workpiece length: 4,200 mm Maximum workpiece thickness: 100 mm Number of slitting spindles: 2 Number of profiling spindles: 3 Horizontal spindles: 3 Horizontally controlled spindle Separate gear spindle Cut the flange Slitting spindle length: 600 mm Profiling spindle length: 600 mm Synchronized spindle length: 600 mm Gear spindle length: 80 mm Constant stroke height: 40 mm Total spindle stroke: 540 mm Spindle diameter: 50 mm Tool orbit circle for profiling: 220 mm Tool orbit circle for slitting: 350 mm Continuous spindle stroke Radial spindle adjustment, pneumatic Electronically controlled longitudinal stop Angled window Adjustment to minimize miter gap Chip guard during folding, synchronized spindle Workpiece return: Longitudinal conveyor Main motor: 11 kW Maximum feed rate: 90 m/min Feed rate, continuously adjustable Control: Program control Control: PC control Bwodpfx Aoz A Enmsmrsu Compliance marking: CE mark

Condition: like new (used), Year of construction: 2022, functionality: fully functional, complete plat concisting of: Bi-rail overhanging conveyor with two points bar support , lift and rotation unit Spray booth for robot with full recirculation, with autimatic pre-filter replacment system High pressure humidificer for spray booth and flash off room Robotic spray system for windows with jacket nozzle cleaning unit automatic color change (3 independent ) electrostatic safty system paint flow meter drying tunnel with ldp system and axial fans supervisor systeem with data interface and datamic reader Bjdexw Ux Hjpfx Amrjwu “The line is packed for transport. It has been previously installed, but it has never been taken into operation.”

Year of construction: 2014, condition: like new (used), functionality: fully functional, SCA Mini 400P with a 400 mm saw blade Single-head saw with a saw blade that moves from below and can be swiveled. The feed side is on the left for making miters from 15° to the left up to 15° to the right, as well as intermediate miters. + Bsdpfx Amez H Ni Aorewu Fermo VIS 3780 DX stop/measuring system with digital display Profile support and length stop, adjustable via handwheel with readings on a digital display. + 4-meter roller conveyor

Condition: good (used), Year of construction: 2002, Double miter saw, manufactured by elumatec, type: DG79/32, year of manufacture: 2002. Digital display for length. 6-meter machine. Oil-mist lubrication system. Machine documentation available. In good condition. Saw blade: 380 mm x 3.6 mm / 3.0 mm x 32 mm. Further details can be found in the data sheets. Bsdpfjz Hmx Isx Amrswu

Condition: used, Year of construction: 2012, Assembly of : 3x 4 head welding Soenen Q4 machines on 1 chassis 2 head automatic cleaning machine Soenen BFP Duplex Robot Soenen MOS for automatic hinges automatic transfer table Bsdpfx Aoz A D E Demrewu

Year of construction: 2011, condition: excellent (used), functionality: fully functional, machine/vehicle number: C111707, Reconditioned Production Ready！ Ref No: 1026 Emmegi Comet T5 Bwjdpfx Amozlat Serju Work centre CNC with 3 controlled axes, used for the working of bars or aluminium, PVC, light alloys in general and steel pieces. It has two functioning methods: only one work area for bars up to 7.7 m long or two independent work areas with piece load/unload while machine is working. It has an 8 place tools storage on board the X axis slide, able to host 2 angular units and one milling disc, to perform work on the 5 sides of the piece. It also has a mobile work surface that facilitates the piece loading/unloading operation and significantly increases the workable section.

Year of construction: 1997, condition: reconditioned (used), functionality: fully functional, Automatic stop system for precise profile cuts with a length of 4200 mm Motor-driven stop with electronic length measurement Robust steel construction with PVC-coated rollers Control via console with automatic repositioning Bodpfjz H I D Sox Amrewu The Microbo stop system enables precise and automated profile length measurement during sawing/punching/etc. The electrically operated slide moves on a ball bearing guide and is positioned via a numerically controlled system; the measurement is performed precisely from the center of the saw blade. PVC-coated rollers protect the profile surface and facilitate smooth sliding. All functions can be conveniently operated via the control console.

Condition: used, Year of construction: 1993, Press height 140 mm Press force 70 kN (7 t) Hydropneumatic drive Bedpfxjz Hx Ibs Amrewu Compressed air connection 7 bar Air consumption per operating cycle 35 l Length 1,100 mm, Depth 950 mm, Height 1,230 mm Weight 550 kg

Condition: excellent (used), Year of construction: 2016, functionality: fully functional, input voltage: 400 V, workpiece length (max.): 3,000 mm, workpiece width (max.): 1,300 mm, workpiece height (max.): 80 mm, We offer this very good Morbidelli Uniflex HP Throughfeed Borer and Router CNC, year of construction 2016. Manufacturer: Morbidelli Model: Uniflex HP Year of manufacture: 2016 Condition: very good Category ID: 2074 Type ID: 151 Machine type: Throughfeed Borer and Router CNC The Morbidelli UNIFLEX HP is a high-performance CNC drilling and routing centre designed for precision panel processing in furniture and cabinet manufacturing. It allows drilling on multiple faces of a panel and routing operations with high accuracy while minimizing setup time through automated clamping and CNC control. Key Features • 6-side panel drilling capability with upper and lower machining heads • Up to 134 independent spindles for high production throughput • RO.AX rotoaxial spindle technology ensuring zero backlash and extremely accurate drilling • Dual independent clamps eliminate machine setup time and allow simultaneous operations Bwedeyr Uguspfx Amrou • Ability to process two overlapped panels simultaneously • Integrated saw blade in X-axis for panel cutting operations • Heavy-duty welded O-frame structure for maximum rigidity and precision • CNC controlled panel movement with brushless motors and ball screws • Xylog Plus 2 CNC software with PC interface Drilling System • 96 vertical drilling spindles (48 upper + 48 lower) • Horizontal drilling spindles: o 8 + 8 in X direction o 4 + 2 in Y direction • Maximum spindle speed: 6,000 rpm • Integrated X-axis saw blade: o Diameter: 125 mm o Speed: 7,500 rpm CNC Control & Software • Industrial PC with Windows operating system • 17" colour display and keyboard interface • Xylog Plus 2 programming software • Programming options: Parametric programming • DXF and ASCII file import support • Simulation and optimisation of drilling cycles Panel Capacity • Panel length: 250 – 3000 mm • Panel width: 70 – 1300 mm • Panel thickness: 10 – 80 mm • Maximum panel weight: 100 kg Axis Speeds • X axis: 120 m/min • Y axis: 35 m/min • Z axis: 30 m/min Machine Requirements • Compressed air: 6.5 bar • Average air consumption: 500 Nl/min • Dust extraction airflow: o Upper head: 5000 m³/h o Lower head: 2250 m³/h Additional Equipment Included • Panel length measuring device • Electrical cabinet with air conditioning • Manual loading and unloading stations with cross belts If you have any questions or need more information, feel free to send us a message or give us a call.

Condition: used, Second-hand SAC window production line comprising: - Automation - SAC Type P5 (left-hand) - SAC Type P5 (right-hand) Bedpfxsz Dttyo Amrswu - SAC Type T400 - Window tool set IV 72/92 for sashes Technical data: - On request

Condition: used, Year of construction: 2020, max. workpiece length 6360 mm profile spindle 1 Stück main drive 13 kW Control Maestro SCM CNC Machining Center ACCORD 40 FX for windows and doors ----- Available as an OPTION at an additonal cost of 20.000 Euro: extensive window and door tooling among others (window cutting available upon request!): Wooden windows IV 68, 78, 92 Wooden "style" windows Bjdpey Hl Iyefx Amrewu Wood-aluminum windows Front doors Lift-and-slide doors Box windows Machine still in operation, available for viewing! Technical Summary (detailed description available upon request!): ----- - ??Working area X-Y = 6360 x 1905 Z = 350 - Automatic table with 8 support rails MATIC - L1825 - 5-axis spindle MAXI - Prisma T, HSK 63 E, 13 kW - RTCP Setting - Self-calibration system for Prisma work unit - Adjustable chip removal device on the electric spindle - Preparation for "Prisma T-S" angle gearbox - BRC - Working unit: Saw blade for face machining, 1 vertical milling cutter connection 3 vertical, independent drill heads, center distance 32 mm 3 vertical drill heads (not independent), center distance 21.5 mm, for mortise drilling 4 horizontal drill heads (2 per side, not independent), center distance 21.5 mm 2 horizontal milling heads (1 per (Page) - TRC 48 - Rear Tool Magazine 48 tool positions (excluding tool holders) Center-to-center distance between positions: 104 mm Max. tool diameter: 350 mm Max. tool length: 320 mm Max. weight per tool: 10 kg (15 kg with HSK 63 E spindle) Max. total weight on the magazine: 250 kg - MACH 5 - Quick-change system: Allows tool changes on the electric spindle in just a few seconds. - Pendulum operation - Automatic lubrication of the axes - eye-M operating console with integrated PC - Additional fixed control panel - TECPAD - Remote control of machine functions - Clamping jaw preparation H145 for worktable with 8 support rails - Front stop row H110 for worktable with 8 support rails - Rear stop row H110 for worktable with 8 support rails - Suction cup H110 145x145 mm - Swivel suction cup H110 145x55 mm - Swivel suction cup H110 180x65 mm - First side stop row H145 for worktable with 8 support rails Second side stop row H145 for worktable with 8 support rails Clamp H145 with round base Clamp H145 with square base N.6 Lifting devices with double stroke H145 Laser and reference stop H145 for sheet (left) - PRO-SPEED safety system - Maestro CNC - Machine operator interface and programming - Maestro ProView - Simulation software Tools are sold in the condition, scope, and with accessories as they are currently in stock. Note regarding window cutouts, tool drawings, and tool system listings: Engelfried GmbH does not guarantee that the tools actually available correspond to the systems listed and drawn. (Technical specifications according to the manufacturer - without guarantee!)

Year of construction: 2020, condition: excellent (used), functionality: fully functional, machine/vehicle number: C116353, Equipment: CE marking, Reconditioned Production Ready！ Ref Code:1014 Emmegi Classic Magic Electronic double‑head cutting‑off machine Twin‑head saw for aluminium and PVC profiles, with NC‑controlled DC motor driving automatic mobile head movement. All angles pneumatically settable down to 22°30’ external. Key Features Blade: Ø 450 / 500 mm cemented carbide blades Cutting length: 5 m useful cut Angle range: 90° to 22°30’ external (pneumatic tilt) Positioning: Magnetic strip direct measuring system Control: Alphanumeric fluorescent display (2 × 40 chars) Memory: 99 profile corrective values (auto angle calculation) 20 cutting lists (50 rows each) via keyboard 10 cutting lists (100 rows each) via USB (PC) Connectivity: USB port, RJ45 network card; label printer ready Clamping: Horizontal/vertical pneumatic vices with low‑pressure device Safety: Pneumatic full protective hoods for cutting zones Lubrication: Water spray‑mist (oil emulsion or minimal quantity oil) Technical Specifications Bwsdpfey U Tczjx Amrsu Motors: 2 × 2.2 kW (400 V); total 5.3 kW Blade speed: 2,800 rpm Operating pressure: 6–8 bar; air consumption 15 NL/cycle Dimensions (5 m version): 9,400 × 1,080 × 1,840 mm (L×D×H) Weight: Approx. 1,500 kg Applications High‑precision cutting of aluminium / PVC profiles for windows, doors, curtain walls, and light alloy processing.

Year of construction: 2008, condition: used, controller model: Windows XP SP3, power: 9 kW (12.24 HP), working width: 2,500 mm, TECHNICAL DETAILS Maximum working width: 2,500 mm Bedez Ekd Espfx Amrewu Minimum working width: 510 mm Number of saw blades: 6 + 1 MACHINE DETAILS Control system: Windows XP SP3 Machine programming software: Packsize control console 3.9.3 Total connected power: 9 kW EQUIPMENT Saw carriage CE conformity The machine is sold and delivered in its actual and legal condition (“as is, where is”) based on photographic documentation and technical/commercial documents with a descriptive character. The buyer has the right to inspect the goods before collection and assumes responsibility for the installation, securing, and use of the machine at the destination. External reference: 8534

Condition: used, Year of construction: 1991, Manufacturer Kohmann offers the F-1050 K Window Patcher Machine, produced in 1991. This machine is currently operational in a printshop located in Deutschland. The price for this equipment is available upon request. Notable features include a format of 1020 x 1050 mm. Kohmann, established in 1962, is renowned for its high-quality carton converting machines, including window patching machines and folder gluers. The company has a strong reputation for producing reliable and efficient machinery for the printing and packaging industries1. The F-1050 model is known for its robust design and ease of operation, making it suitable for various window patching applications. It is designed to handle different sizes and types of carton blanks, ensuring precise and efficient window patching Bwedsyb R Adspfx Amreu Format: 1020 x 1050 mm

Condition: used, System 68,78,88,98 IV Number of tools 6 St. Bore 50 mm Leitz window tool set for IV 68/78/88/98 (timber) and IV 68/88 (timber-aluminum), plus entrance doors and lift-and-slide systems ----- Timber: Leitz IV 68/78/88/98 (timber) Timber-Aluminum: Leitz IV 68/88, entrance doors, and lift-and-slide systems Tools were used on a Weinig Unicontrol 6 NC (with stepless vertical adjustment) Bwsdpez Albpsfx Amrju ----- Price for the above-mentioned tools available upon request! ----- (Technical specifications provided by the manufacturer – subject to change/no guarantee!) All prices are net, plus statutory VAT.

Condition: used, The machine is for sale together with all tools as shown in the pictures. Bjdpfx Aey Rumtomrjwu