Haiying Liu

Steel belt self-locking type flange pipe connector used for connecting compound pipes

Steel belt embedded type ultra-high molecular weight polyethylene compound pipe

Steel belt embedded type ultrahigh molecular weight polyethylene composite pipe

Double-layered ultrahigh molecular weight polyethylene composite pipe

Superhigh molecular weight polyethylene composited tube connecting piece

U-shaped flange pipe joint used for ultra-high molecular polyethylene composite pipe

Ultrahigh molecular weight polyethylene composite pipe connector

Steel liner pipe fitting used for connection of ultra-high molecular weight polyethylene composite pipes

Steel lining pipe joint for connecting ultrahigh-molecular-weight polyethylene composite pipes

Double-layer polyethylene composite tubular product with ultrahigh molecular weight