PE/Metal transition fittings Series PE/Metal transition fittings have complete specifications and breeds, which also confirm to China National Standards and International Standards. We offer a lot of varieties, such as welding pattern, thread pattern, and flange pattern, The syphon PE/Metal transition fittings have gotten national patent. The 搃nlay type two sealed structures?that invented by Songjiang guarantee safer and more credible usage. Good sealing, no leakage. Convenient and quick connection. All the metal part is antisepticised.