Hebei GN Solids Control Co., Ltd. (formerly known as Tangshan Guanneng Machinery Equipment Co., Ltd.) is one of the top manufacturers in China, specialized in the design, manufacture, and sales of mud solids control equipment and systems. As one of the most famous international brands of mud solids control & drilling waste management, we provide services all over the world. Our company enjoys the following strengths: -First API certified solids control equipment manufacturer in ...