We supply a series products of metallic bellows expansion joint, fabric expansion joint, metal hose, high pressure rubber hose, tuyere stock assembly, oxygen lance & hose and its servo system & valve station system, and complete equipments for ladle furnace integral refractory pouring; products are widely applied in the fields of defense industry, metallurgy, petroleum, chemical industry, electricity, cement, heat system, coal mine，civil building and vessels etc. The sales market and customers are across the country and products have been exported to Southeast Asia, Middle east, Europe and America where being highly relied on and complimented by customers at home and abroad.