- Shandong Great Steel Co., Ltd
- Steel
Shandong
- Handan Shengnada New Material Technology Co., Ltd.
- Iron Casting, Steel Casting, Stainless Steel Casting, Valve Casting Parts, Auto Parts Casting, Vehicles Parts Casting, Metal Casting, Valve Casting, Impeller Castings, Manhole Cover
Hebei
- Shanxi Green Industrial Co., Ltd.
- Ductile Iron Pipe, Di Pipe Fittings, Ductile Iron Manhole Covers and Frames, Gate Valves
Shanxi
- HIGHPLUS INTERNATIONAL LIMITED
- Casting Couplings, Grooved Fittings Valve, OEM, Elbow, Tee, Cross
Shandong
- Yangzhong Hengrui Metal Products Co., Ltd.
- Stainless Steel Cover, Stainless Steel Manhole Cover, Stainless Steel Railing, Stainless Steel Gutters
Jiangsu
- Xuzhou Sheng Ming Casting Co., Ltd
- Manhole Cover, Ductile Iron Pipes, Valves, Water Meter Tank Cover, Iron Castings(Support Customization), Hardware Tools, Cast Iron Fireplace
Jiangsu
- WENZHOU FLOW INTERNATIONAL TRADE CO., LTD
- Tank Truck Parts, Oil Plant Products, Fuel Station Equipments, Refueling Kit, Industrial Valve, Flow Meters, Pumps, Opw Products, Reelcraft Products
Zhejiang
- Jinan Homa Machinery Co., Ltd.
- Casting
Shandong
- Cangzhou Great Casting Technologies Limited Company
- Manhole Cover
Hebei
- Hengshui Lilang International Trade Co., Ltd.
- Manhole Cover
Hebei
- Handan City Pingxin Foundry Co., Ltd.
- Manhole cover
Hebei
- Nanjing Zhongxun Pipeline Equipment Co., Ltd
- Valve, Ball Valve, Butterfly Valve, Gate Valve, Globe Vave
Jiangsu