GN Solids Control-Tangshan Guanneng Machinery Equipment Co., Ltd. Is a China based solids control equipments and system manufacturer. is a fast developing company which was established in 2007.With large investment and background of experienced engineers and management, GN has become 1 of about 10 china manufacturers who can design and manufacture all the equipments for a complete solids control system.Instead of a collection of equipments from various sources, the GN