Sekia Pipe Industry specializes in HDPE water supply pipes, steel-reinforced polyethylene composite pipes, HDPE double-walled corrugated pipes, steel strip-reinforced polyethylene spiral corrugated pipes, high-density polyethylene plastic steel coiled drainage pipes,クラ管(high-density polyethylene spiral-wound structural wall pipe type B), carbon corrugated pipes, power conduits, prestressed pipes for bridges, pond outlet pipes for paddy fields, and related pipeline fittings. These products are widely used in urban water supply, drainage, and sewage projects, agricultural sprinkler, drip irrigation, water-saving irrigation projects, water diversion, desertification control projects, oil pipelines, low-voltage weak electricity, and communication optical cable sheaths. They are products for municipal engineering, new district support, industrial and mining construction, and shantytown renovation. These products are characterized by light weight, corrosion resistance, low-temperature resistance, no leakage, low cost, and long service life, and are recyclable, meeting the requirements of a resource-saving society and the development of a circular economy. They are substitutes for cement pipes and cast iron pipes.