- Hongkong Kedin Bearing Co., Limited
- Address:Flat/rm A1, 9/F Silvercorp International Tower, 707-713 Nathan Road, Mongkok, Kowloon, Hong Kong Hongkong, Hongkong
- tanchin International Industries Co.,Limited
- Address:Room 1701,17/F,HENAN BUILDING,NO.90 JAFFE ROAD,WANCHAI HONGKONG HongKong HongKong Hong Kong
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