- Germany Simen Group Company Limited
- Address:11 / F Oriental Centre, 67-71 Chatham Road South, Tsim Sha Tsui,
- S.K Machinery Co.,Limited
- Address:Fuzhuang
- AEA Valve and Fitting co.,ltd
- Address:10-12 Nathan Road, Kowloon
- sea & star machinery Co., ltd
- Address:
- Sino Sam (HK) Limited
- Address:07 / F Yuet Fu House, Tin Yuet Estate, Tin Shui Wai,
- Hongkong hongkun industry co.,Ltd
- Address:No 73, Moon Road
- Asia-Europe-America international Co., Ltd
- Address:jianxing road
1