Zhuji Jiangtong Machine Manufacturer is specialized in producing plastic pipe welding equipment, machine tools, meters and instruments, and fully automatic controlling equipment. We boast years' of experience, strong science research and development force, and high density mechanical part processing equipment. The SDH series of plastic-pipe welding machines were first developed by our company as the main mechanic products. After few decades of continuous innovation and improvement, our products feature excellent and dependable performance and quality. Based on these, our company has cooperated with Beijing University of Chemical Technology in 2003. We have successfully developed one of the largest welding machines so far, named 1600mm Fully-Automatic Plastic-Pipe Welding Machines, which fill the gap in the domestic field. We have gained six patents of the invention. The properties of