Hebei three handifacts manufacturing co. Ltd., located at the “china pipeline equipment manufacturing base” - hebei salt hill port industrial park, was established in 2003 to cover 33,000 square metres. Twenty years of specialized production of a series of grinding pipes for materials such as carbon steel, alloy steel, internal fire resistance, double metal resistance, weld resistance and ceramic composites. Products are widely used in areas such as mines, electricity, metallurgical, cement, river drains and dredging, and are widely sold both within and outside the sea。