Our company has become a group corporation integrating scientific research, technical development, manufacture and distribution with over ten years' unswerving efforts. We are the leading and professional manufacturer of anti-corrosion products and welding products such as large diameter plastic pipes, insulated pipes, crude oil pipelines, gas pipelines and others. Our main products are: polyethylene electric heating fusion tape, electric hot-melt mantles, Electric fusion belts especially for polyethylene spiral corrugated pipes, plastic welding rods, portable plastic extrusion welders,...