Changhong company in order to meet the market demand to expand the scale of production to introduce advanced pipe production equipment set up two branch factories: has domestic advanced PE, PVC -u, PVC - 40 M, PP pipe production lines and related pipe processing equipment, inspection equipment, etc. The company can produce various of 20 mm - 630 mm diameter pipe. The company in 2009 passed the ISO9001:2009 quality management system certification and ISO14001:2004 environmental management system certification. Products are widely used in rural drinking water, irrigation, municipal water supply, building water supply, city gas, etc. In addition, the company is equipped with full-time personnel to product tracking service.

Ultra-high molecular weight polyethylene pipe plate has high wear resistance, corrosion resistance, impact resistance, self-lubrication, can make coal, cement, lime and mineral powder, salt, cereal powder material hopper, silo and chute liner. Due to its excellent abrasion resistance, self-lubrication and not sticky, make the powder material in storage and transportation equipment, adhesion phenomenon does not occur, ensure stable transportation.

3 SPP ultra-quiet drain full name is polypropylene mute drains, the three-tier co-extrusion PP silent indoor drainage pipe production line, adopt three layers co-extrusion technology, raw materials for environmentally friendly high impact copolymer polypropylene resin and special sound-absorbing material, after modification, make it has a good noise quiet performance, chemical corrosion resistance, heat resistance. Mainly used in office buildings, apartments, schools, hospitals, nursing homes, embassy, 3 a grade residential, industrial building drainage, sewage, etc.

In order to promote the application of chemical building materials and plastic pipe in our country, the national industry departments have issued a number of related industrial policy and promotion file; In order to accelerate the development of chemical building materials and plastic pipe industry development speed, local governments also successively introduced encourages the development of chemical building materials and plastic pipe policy document.

3 SPP ultra-quiet drain full name is polypropylene mute drains, the three-tier co-extrusion PP silent indoor drainage pipe production line, adopt three layers co-extrusion technology, raw materials for environmentally friendly high impact copolymer polypropylene resin and special sound-absorbing material, after modification, make it has a good noise quiet performance, chemical corrosion resistance, heat resistance. Mainly used in office buildings, apartments, schools, hospitals, nursing homes, embassy, 3 a grade residential, industrial building drainage, sewage, etc.

Since the 80 s, the state vigorously promote application of upvc pipe, and a series of policy, system, standard, also accumulated a lot of experience. Development to today, have perfect product standard, testing method and testing means, construction engineering technology standard and so on, and unified the product size and quality indicators, implements the interchangeability of the product. It illustrates the development of PVC water supply pipeline has entered the mature period, and construction quality has the guarantee product quality, to ensure that the use of PVC water supply pipeline.