Hunan Public Benefits Tube Industry Limited Company Is specialized in manufacturing steel corrugated pipe culvert and spiral tube professional manufacturers, is committed to steel corrugated pipe culvert and the spiral tube technology improvement and development, is engaged in the steel corrugated pipe culvert and wave plate, the structure of the spiral pipe research and development, design, manufacture, sales and technical services. Company is located in openning the earth - changsha, hunan steel corrugated pipe culvert, spiral pipe culvert annual production capacity of 40000 linear meter, I the company has steel corrugated pipe culvert and spiral pipe culvert automation production equipment and a variety of advanced testing equipment. Steel corrugated pipe products are round, oval, arch, machinable range Ø Corrugated culvert pipe diameter is 0.5 m ~ Ø 8 m, the wall thickness is 3 mm to 7 mm, become domestic takes the lead in filling can reach 50 m bellows of innovative enterprises.

Company with the domestic well-known related planning design and research institute, college has a good technical cooperation relationship, and jointly develop products more practicality and economy of corrugated pipe culvert. First applied in our country south of the national key in highway construction, in the production of steel corrugated pipe culvert, construction process, accumulated a wealth of technical information and rich construction experience, especially in southern clay environment construction experience.