- Qingdao Luhaiye Industrial Co., Ltd
- Address:No.197 of Shuangyuan Road,Qingda Industrial Park,Qingdao
- Jiashan Huanqiu Mechanical Seal Factory
- Address:No.22, Yinxiu Road
- Shandong Zhuxin Steel Co., Ltd.
- Address:CHANGCHENG ROAD
- Each Metal (Shanghai) Co., Ltd.
- Address:Room 2714 No.933 West Zhongshan Rd. Changning District
- A-a Metal Products Co., Ltd.
- Address:Ningbo Wangchun Industrial Zone
1