Tongda plastic Machinery Co., Ltd. was founded in 1982, China Light Industry Machinery Association, China plastic Processing Industry Association. plastics machinery company is committed to the research, development, manufacturing and sales, after twenty years of hard work, with the advanced mechanical processing equipment 200 (sets), the North has become models of large-scale production of single and double spiral bar plastic extrusion machines, plastic pipe production line and professional waste plastic granulate unit, product quality, variety, high efficiency, economical and practical characteristics, has won the new and old customers trust and praise.