- Zhuzhou Meiteyou Hard Alloy Co., Ltd.
- 全国主营:Hard alloy disc cutter and mould.
- Yantai Vast Co., Ltd.
- 全国主营:Cylinder liner
- Yangzhong Huasheng Hydraulic Fittings Co., Ltd.
- 全国主营:Seal component
- Cixi Yongsheng Sealing Products Co., Ltd.
- 全国主营:Seal components
- Wuhan Numeral Control Group Co., Ltd.
- 全国主营:Machine tool
- Jintan Jiaren Plastic Product Factory
- 全国主营:Rubber seal components.
- Quanzhou Youda Hydraulic Pressure Co., Ltd.
- 全国主营:Seal component
- Yangzhong Tongyu Fluorin Plastic Plastic Co., Ltd.
- 全国主营:Electrical appliance component
- Weifang Huarui High Technology Ceramic Co., Ltd.
- 全国主营:Carborundum product
- Dalian Shenghua Hongtong Technology-industry-trade Co., Ltd.
- 全国主营:Mechanical and electrical equipment, Industrial chemical
- Beijing Gelide Technology Co., Ltd.
- 全国主营:Mechanical equipment, Chemical product, Electronic product.
- Nanjing Saibo Guocheng Industrial Equipment Co., Ltd.
- 全国主营:Sealing material, Sealing component and device, Filter, Pump, Valve, Pipeline accessory
- Sichuan Dayu Mechanical Sealing Component Manufacturing Co., Ltd.
- 全国主营:Mechanical sealing component
- Binzhou Graphite Sealing Material Co., Ltd.
- 全国主营:Graphite plate, Graphite seal component
- Beijing Huasai Technology Co., Ltd.
- 全国主营:Sealing element.
- Foshan Hetai Rubber Automobile Accessories Co., Ltd.
- 全国主营:Automobile accessories, Rubber ware
- Beijing Xintongshun Machinery Manufacturing Company
- 全国主营:Machinery
- Chengdu Junying Sealing Materials Co., Ltd.
- 全国主营:Sealing products
- Zhengzhou Yushi Rubber-plastic Hardware Co., Ltd.
- 全国主营:Rubber annulus, Adhesive