- Dongguan Yongfeng Chemical Glass Apparatus Co., Ltd.
- 全国主营:Chemical reagent, Glass utensil, Science teaching instrument, Medical instrument
- Jiangmen Nanpu Materials Trading Department
- 全国主营:Stainless steel materials, Steels, Aluminum products, Nickel products, Industrial chemicals.
- Shanghai Jintai Copper Industry Co., Ltd.
- 全国主营:Metal products
- Tianjin Zhongse Dongfang Trade Co., Ltd.
- 全国主营:Nickel metal
- Manzhouli Eastnok Business Co., Ltd.
- 全国主营:Nonferrous metal, Minerals, Chemical product.
- Shanghai Abc Material Scienceand Technology Co., Ltd.
- 全国主营:Super thick porousmetal material and/or line products
- Zibo Longchuan Nickel-cobalt Product Co., Ltd.
- 全国主营:Chemical products
- Ningbo Dazhong Rubber Co., Ltd.
- 全国主营:Mobile oil seal, Agriculture mobile oil seal, M oil seal, Automobile V-belt, Brake leather diaphragm, Frame cushion, Water pump seal and rubber item etc.
- Wenling Daxi Yunteng Machinery Fittings Factory
- 全国主营:Mechanical seals, Electrical appliances parts
- Taiyuan Weilian Metallurgical Equipment Co., Ltd.
- 全国主营:Metallurgical equipment, Fittings for metallurgical equipment
- Wenzhou Jingliang Standard Parts Co., Ltd.
- 全国主营:Standard parts, Flat gasket etc.
- Yantai Muping Desheng Sealing Co., Ltd.
- 全国主营:Stainless steel gland
- Daishan Tongdao Industrial Co., Ltd.
- 全国主营:Metal seal component
- Tianjin Port Free Trade Zone Outer Supply Trade Co., Ltd.
- 全国主营:Cigarette, Liquor, Food, Materials, Marine spares
- Zhangjiagang Shagong Mechanical Seal Pump Valve Co., Ltd.
- 全国主营:Mechanical seal element
- Changshu Tangshi Mechanical Seal Component Factory
- 全国主营:Mechanical seal component, Chemical equipment and fittings.
- Beijing Shiji Jiahong Machinery Fittings Co., Ltd.
- 全国主营:Power machine fittings
- Shaoxing Huatai Sun-rise Special Ceramics Co., Ltd.
- 全国主营:Electrical equipment ceramics, Sealing element ceramics, Welding cut ceramics, Ignition ceramics
- Nanjing Yaqin Trading Co., Ltd.
- 全国主营:Water pump
- Anyang Jiulong Rubber-plastic Co., Ltd.
- 全国主营:Rubber product