It include forged steel pipes fittings, stainless steel 150lbs screwed pipe fittings, butt-welding fittings, pipe clamp fittings, ductile iron grooved couplings, cam groove coupling etc. all of them are used for the pipeline connection system, we adhere to produce high quality of them with Quality Test Cetificate for each one. Competitive price, fast delivery time, good service after sales push more customers to establish long term stable cooperation with BESTFLOW INDUSTRIAL.