We have passed the ISO9001 quality management system, GS, CE, CCS (China Classification Society), ABS (American Bureau of Shipping), DNV (Det Norske Veritas) and many other internationally renowned classification society product testing certifications. Its products are widely used in CNPC, CPCC, CNOOC, Tianjin Port, Shipyard, Metallurgical, Space Research Institute, Nuclear Power, Offshore Wind Power, Three Gorges Project, and other national enterprise projects.