Malleable iron pipe fitting manufacturer / supplier in China, offering Galvanized Threaded Malleable Iron Tee Pipe Fittings for Plumbing Water Supply, Professional Custom Ductile Iron OEM Clay Castings for Various Industrial Applications, Ductile Iron Grooved Rigid Pipe Fitting Coupling Connector for Fire Protection System and so on.
| Business Type: | Manufacturer/Factory & Trading Company | |
| Main Products: | Malleable Iron Pipe Fitting , Grooved Pipe Fitting , Ductile Iron Casting , Cast Iron ... | |
| Year of Establishment: | 2005-08-26 | |
| Number of Employees: | 173 | |
| Management System Certification: | ISO9001:2015, ISO45001:2018, ISO14001 | |
| Address: | Longsheng Yuanyuan Technology Co., Ltd., Shixiang Industrial Zone, Taigu County, Jinzhong City, Shanxi Province |
Founded in 2004, Shanxi Longsheng Yuanyuan Technology Co., Ltd. Has grown over two decades into a modern, integrated enterprise that combines R&D, foundry, machining, and sales. We specialize in producing malleable-iron pipe fittings, grooved piping components, and precision castings. Our in-house brand "LSZZ" has earned rising recognition in the industry, providing products, services, and turnkey solutions for water supply and drainage, fire protection, natural gas, and other systems, supported by a mature ...