Founded in 1992, Jilin Songjiang Smart Joint Co., Ltd is the first manufacturer to develop the plastic pipe fusions in China. Since its establishment, it has gained CE Identification, Sanitary License, China Special Equipment Manufacturing License, and ISO9001-2000 Quality System. We offer products in various fields: water and gas supplying, dewatering, irrigation and sewage treatment. Scientific and technological achievements of the welding equipments are approved by ministerial appraisal in 1992. And they are listed in "Technological Achievements Projects of Ministry of Construction in 2001". The enterprise has become "Technical Support Unit" in China. By the technical advantage, we keep develop and design new products.