Shiga Pipeline Industry specializes in HDPE water supply pipes, steel-reinforced polyethylene composite pipes, HDPE double-wall corrugated pipes, steel strip-reinforced polyethylene spiral corrugated pipes, high-density polyethylene plastic steel-wrapped drainage pipes,克拉管 (B-type high-density polyethylene spiral-wound structure pipes), carbon corrugated pipes, power conduits, prestressed pipes for bridges, pool pipes for paddy fields, and related pipeline accessories. These products are widely used in urban water supply, drainage, and sewage projects, agricultural sprinkler, drip irrigation, and water-saving irrigation projects, water diversion and desertification control projects, oil pipeline transportation, low-voltage weak electric and communication optical cable sheaths, etc. They are products for municipal engineering, new area development, industrial and mining construction, and shantytown renovation. These products are characterized by lightweight, corrosion resistance, low-temperature resistance, non-leakage, cost-effectiveness, and long service life, are recyclable and reusable, and meet the requirements of building a resource-saving society and developing a circular economy. They serve as alternatives to concrete pipes and cast iron pipes.