- Botou Jianxin Cast Iron And Measuring Tools Co., Ltd
- Address:168#, Xinhua Street, Jiaohe Town, Botou City
- Dongguan Yilian Metal Co., Ltd.
- Address:Fumin Industrial Area 2,Dalang Town
- Xinghua Xingyue Special Steel Precision Casting Factory
- Address:Xinghua Road, west side of Salt Dainan Zhenning
- Donggaun City Rongzhou Precision Hardware Products Ltd.
- Address:ZhangMuTou
- Qingdao Rongmaofa Metal Co., Ltd.
- Address:Chenjia Village, Daxin, Jimo
- Dongguan Global hardware Co., Ltd.
- Address:No402,Taisheng building ,Nancheng town
- Yantai Pengcheng Machinery Co., Ltd.
- Address:No. 801, Ninghai Street, Muping District
- Holy Precision Manufacturing Co., Limited (Zhongshan)
- Address:
- Jiyuan Xinhua Heavy Machinery Co., Ltd.
- Address:Nansun Village,Zhichen Town
- Shandong Guomaoguotai Speed Reducer Co., Ltd.
- Address:NO.55-1 Zhichu Road
- Xiamen Jingwei Machinery & Fabrication Co., Ltd.
- Address:Building 1, No. 74, Zhennan 2 nd Road, Tongan District, Xiamen
- Beijing CHiNZEN Machinery Co., Ltd.
- Address:XuZhou
- Qingdao Dawnshine Import & Export Co., Ltd.
- Address:No. 10th Zhongshan Road
- Tianjin Sun Metals Inc.
- Address:306, bldg 72, Ocean Paradise, Balizhuang Xili, Chaoyang Dist
- Beijing BTE Engineering Co., Ltd.
- Address:Room 1301-1302, Block B Chengjian Plaza, No.18 Beitaipingzhuang Road, Haidian District,
- Shenzhen Bestwin Technology Co., Ltd.
- Address:3nd Floor, Building 2, Ya Yuan Industrial Park, Shajin Town, Baoan District, Shenzhen,China.
- Ningbo Meilin Machine Co., Ltd.
- Address:A1905 Dashidai, #105 Renming Road, Ningbo City, Zhejiang, China
- Huizhou Sunsmart Mould Processing Factory
- Address:shajing
- Shandong Heshan Machinery Co., Ltd
- Address:wudi
- Shenyang Yongfan Metal Products Co., Ltd.
- Address:No.8 South Nine Road,Tiexi District