Hubei tianyi machinery Co., LTD. Mainly produces concrete pump car sales, high manganese wear-resisting bend pipe bend pipe, tube bending, booms pumps, pump bend pipe diameter changes. Designing, pump car accessories, pumps, elbow, concrete bending tube bend pipe pumps booms, the concrete pump elbow pipe, pumps, hinge, high manganese steel elbow bend pipe rack CheGuan pump, arm, excavator dipper teeth, engineering machinery accessories. Using revestment precision casting, sand casting process in the production of various kinds of carbon steel, alloy steel castings