WINSSON GROUP Winsson Enterprises Co., Ltd. Computronics International Corporation Kunshan Zhongding Electronic Co., Ltd

Computronics (Taiwan) Business Activities Winsson (Taiwan) Computronics (Taiwan) Kunshan Zhongding (China) UPS/INVERTER PCB ASSEMBLY COMPUTER INTERFACE CARD ASSEMBLY OTHER PCB ASSEMBLY FOR INDUSTRIAL CONTROL EXPORT/IMPORT ELECTRONIC PARTS EXPORT PRINTED CIRCUIT BOARDS EXPORT METAL PARTS UPS/INVERTER PCB & FINAL ASSEMBLY OTHER CONSUMER ELECTRONIC PRODUCTS ASSEMBLY MANUFACTURE LOW FREQUENCY POWER TRANSFORMER (CLASS B & H)

Sales Revenue

Computronics(Taiwan) General Information Winsson (Taiwan) Computronics(Taiwan) Kunshan Zhongding(China) Established Since 1994 Since 1996 Since 2000 Capital (Total: 3 million) USD1.5 million USD0.5 million USD2.5 million Total employee (Total: 322persons) 60 persons 7 persons 250 persons Sales Revenue (Total: 12.75 million) USD5 million USD2.75 million Production Space 20,000 SQFT 2,000 SQFT 40,000SQFT(June,2002)

Main Customers Trippe Manufacturing Co. AG Technologies Inc. Micropump Fluid Management Knight Inc. Strategic Electronic Solutions, Ltd. efi Electronics Corporation Key Communications Service, Inc. TG3 Electronics Inc.

Equipment List – PCB & Final Assembly Manufacturing Surface Mount Machine & Reflow. Auto Glue/Solder Paste Printing Machine Auto Insertion Machine Hand Insertion Conveyors w/Wave Soldering Machines Desoldering Machines Air Compressor Spotter Machines Ultrasonic Machines Vacuum Packing Machines Shrink Packing Machines ICT Auto Testers AC & DC Withstand Voltage/Insulation Testers AC Power Sources DC Power Sources AC Voltage Regulators Multimeters AC/DC Electronic Loading Tester 60-100MHz Storage Oscilloscope Sound Level Meters Digital Power Meters Milli-ohm Meters Digital Thermo Meters

Equipment List – Transformer Manufacturing Air Compressor Spotter Machines Winding Machines Auto Lamination Stack Machines Auto Welding Machines Vacuum Impregnation Machines Chambers AC & DC Withstand Voltage/Insulation Testers AC Power Sources AC Voltage Regulators Multimeters AC/DC Electronic Loading Tester 60-100MHz Storage Oscilloscope Sound Level Meters Digital Power Meters Milli-ohm Meters Digital Thermo Meters Turn-ratio Testers

Equipment List – Engineering & Quality Optical Magnifier 6X Microscope 40X w/Digital CCD Color Camera, Monitor & Printer Pin Gauges Torque Screw Driver Thread Gauges Screw Gauges Push-Pull Scale PCB Hole Inspector 60-100 MHz Storage Oscilloscope Copper Thickness Comparator Function Generator Frequency Counter Leakage Current Meter LCR Meter AC Power Source DC Power Source AC/DC Electronic Loading Testers AC Voltage Regulators Milli-ohm Meter Multimeters Digital Thermo Meter AC/DC Withstand Voltage/Insulation Testers Sound Level Meter Digital Power Meter Turn-Ratio Tester Chamber Winding Machine Air Compressor

Organization Chart General Manager Winsson USA Vice General Manager Sales Dept. Winsson x 2 p Computronics x 1 p Manufacturing Dept. Engineering Dept. Quality Dept. Material SMT Winsson x 4 p R& D Winsson x 6 p IQC Winsson x 2 p Computronics x 1 p Zhongding x 5 p Finance & H. R. Winsson x 3 p Computronics x 1 p Zhongding x 3 p Shipping Winsson x 1 p Computronics x 1 p Zhongding x 1 p A/I Winsson x 2 p M.E. Winsson x 6 p Computronics x 1 p Zhongding x 10 p Manual Insertion Winsson x 20 p Zhongding x 75 p IPQC Winsson x 2 p Zhongding x 6 p Ware House Winsson x 4 p Computronics x 1 p Zhongding x 10 p Testing Winsson x 6 p Purchasing Winsson x 2 p Computronics x 1 p Zhongding x 4 p QA Winsson x 2 p Zhongding x 5 p Final Assembly Zhongding x 60 p Power Transformer Zhongding x 70 p

Production Capacity SMT Dept.:125,000 pcs chips/shift (range from 0402 Chips to QFP/BGA) Auto Insertion Dept.: 60,000 pcs parts/shift (Axial Parts) Manual Insertion Dept.: 200,000 pcs parts/shift (Heavy Parts & Radial Parts) Testing Dept.: in circuit testing & functional testing 4,000 boards/shift Final Assembly of UPS (less than 1000VA): 1,200 units/shift Low Frequency Power Transformer – 2,500 units/shift (Class B, EI 76~EI 133) Low Frequency Power Transformer – 200 units/shift (Class H, EI 133~EI 190) For special OEM project, we can boost our production 2 times in 45-60 days.