Weifang Weifang lined pipe trench _ _ plastic-lined pipe trench supply Weifang lined Nike Groove Tube Pipe Co., Ltd. Weifang factory is located in Changle County, Weifang City http://www.sdnkgy.com five Fig Street Station, corporate environment location and convenient transportation, the strength of product quality, complete specifications, wide radiation area, product passed ISO9001 quality management system certification and through national fixed fire extinguishing systems and fire Component Quality Supervision and Inspection Center type test, products sold abroad, deep by users praise. Production groove fittings and accessories, from the United States UL213 technology, referring to the Ministry of Construction industry standard design and production, widely used in fire fighting, high-rise buildings, gas, water, oil pipe connection. Companies pay attention to product quality, strict quality control, while increasing investment in environmental protection, promote energy conservation, maintaining a good social environment. Company insists customer first, service first, quality-oriented, the concept of social return, welcome domestic and foreign enterprises to come to visit, and seek common development.