We are a professional manufacturer of geosynthetics, perforated drainage pipe, post-tensioning corrugated plastic duct, and metal duct. Our company has gained ISO9001 and ISO14001 certifications. Our products are applied to highway, railway, bridge, hydraulic engineering,airport, building, golf course, farm, landscaping, etc. As a long-standing supplier of national large-scale comprehensive construction contractors, our products are highly recognized by CRCC, CREC, and so on. We also have many warehouses in China to meet your needs of fast delivery and freight fee saving. Our products are exported all over the world. Welcome to our company!