In 2000, Sinojoy, Ltd. was established as a manufacturing of telecommunication products such as Pagers, DVD Players, 2-way Radios, Wireless Modems, as well as cellular phones.

In line with this, Sinojoy had an additional activity which engaged in the re-manufacturing of cellular phones such as phone assembly, LCD Repair, PCB Board Repair, Touch Screen Repair and supply of parts.

With the underlying commitment of satisfying customer’s requirements through continual quality improvement, lower cost, and on-time delivery and helping in the protection and preservation of the environment, Sinojoy has gained the trust and confidence of its customers. And its employee are always attempting through concerted effort to meet the challenges that come its way.
 
 
 
The Company was established in 2000.

In 2000, Sinojoy had engaged in the manufacturing of Pager and DVD Player and cellular phone.

In 2003, Sinojoy had engaged in the manufacturing of 2-way Radio and Charger.

In 2006-2007, Sinojoy had engaged in the manufacturing of Wireless Modem.

In 2000-2010, Sinojoy had engaged in the re-manufacturing of Cellular Phones.
 
Sinojoy Ltd. Is a domestic stock corporation duly organized and existing under and by virtues of the laws of Hong Kong with principal office at Unit A & B, 4/F Jumbo Ind'l Bldg, 189 Wai Yip St, Kwun Tong, Kowloon, Hong Kong herein represented by its President, Hwan Ku Joo, and managing 700 of rank and file employees, supervisory and managerial levels.

Monthly capacity are :

Cellular Phones assembly, 40,000
LCD Repair, 20,000
PCB Board Repair, 40,000
Parts Inspection and Kitting 40,000
 
   
Sinojoy, LTD.: Assembly
Assembly
We are provided five (4) production lines for cell phone assembly, Functional test, RF Test and program downloading as well.
100% OQC Inspection and AQL Inspection system.
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Sinojoy, LTD.: LCD Repair
LCD Repair
Repairing of No power, Unstable, Blinking, White/Black dot & etc.
Replace of Polarizer, Back Light, FPCB repair, Glass and FPCB Bonding
Repairing of broken LCD
Replace of FPCB and glass.
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Sinojoy, LTD.: Board Repair
Board Repair
Repairing of no power and RF defect
Replace of BGA IC by BGA IC machine and re balling, programming work.
Repairing of Key Malfunction, no sound, no charging, no signal, no Bluetooth, no function & etc.
Replace of Myler Key PCB, speaker, battery connector, antenna, Bluetooth IC, USB Connector & etc.
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