- Shenzhen Zonestar Innovation Technology Co., Ltd.
- Address:402, West Of 4/F, Complex Building A, Jinlong Building, No. 105, Jingnan Road, Luogang Industrial Park, Buji Street, Longgang District
- RILSON SEALING MATERIAL CO.,LTD(Ningbo)
- Address:Hangzhou Bay, Industry Zone
- Zhejiang Jianhua Group Sheng Tai Plastic Co., Ltd.
- Address:(Zhejiang Jianhua Group Ind. Park) Building 18, Jiudiandai Village, Tangxi Town, Yuhang District
- Yuhuan Suoli Hydraulic Tools Factory
- Address:yugang industrial
- Cangzhou Rongda Rubber And Plastic Products Co., Ltd.
- Address:Hejian Economic and Technological Development Zone
- Jiangsu Zhongshan Mechanical&Electrical Appliance Co., Ltd
- Address:Baqiao Industry Area, Yangzhong City, Jiangsu, China. 212219
- Zhejiang Haodesheng Insulation Material Co., Ltd.
- Address:Xichun North Road 28,Qujiang Industry District,Quzhou City,Zhejiang Province,China
- Shen Zhen En Xin Long Super Engineering Plastics Co., Ltd.
- Address:2/F, Bldg. 2, Huaqiang Sanyang Ind. Park, Qingfeng Rd., Baolong Community, Longgang St., Longgang Dist.,Shenzhen,China