Henan Liwei Industry Co.Ltd,Henan Liwei Pipeline Equipement Co.Ltd, established in 1988 and have 30 years rubber and steel expansion joints manufacturing experience, so we can send you professional offers.br 8 engineers 6 inspectors, 12 international salesmen 30 after sales staff.,brOur main products> Rubber expansion joints duckbill check valve, carbon steel dresser coupling flange adaptor, dismantling joint sleeve type compensator, stainless steel bellows and flexible hose.br