About SYI GroupSpecialist in Municipal, Pipeline & Machinery Products & ServicesSYI Group Companies are capable of both manufacturing and trading service, who have served the society for 30 years with best Municipal, Pipeline and Machinery products. SYI Pipeline Corporation - a Proud Member of SYI Group - manufactures a full range of Pipeline products and accessories like Pipes, Fittings, Universal Couplings, Flanged Adaptors, Quick Adaptors, Dismantling Joints, Clamps, Valves, and etc.SYI Foundry (Shanxi Yuansheng Casting & Forging Industrial Co., Ltd.) - the