Groove Tube Weifang Weifang lined lined lined pipe trench Supply Weifang Weifang Nike Groove Tube Pipe Co., Ltd. factory located in Changle County, Weifang City http://www.sdnkgy.com five Fig Street resident, superior corporate environment, convenient transportation, the strength, 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, by the user 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.