Sikema Industries specializes in HDPE water supply pipes, steel wire-reinforced polyethylene composite pipes, HDPE double-walled corrugated pipes, steel strip-reinforced polyethylene spiral corrugated pipes, high-density polyethylene plastic steel braided drainage pipes, Krag pipes (B-type high-density polyethylene spiral-wound structural wall pipes), carbon corrugated pipes, power conduits, prestressed pipes for bridges, pond mouth 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, and water-saving irrigation projects, water diversion, desertification control projects, oil pipelines, low-voltage weak electricity, and communication cable sheaths. They are products for municipal engineering, new district infrastructure, industrial and mining construction, and shantytown renovation. These products feature lightweight, corrosion resistance, low-temperature resistance, non-leakage, cost-effectiveness, and long service life, and are recyclable and reusable, meeting the requirements for building a resource-saving society and developing a circular economy. They serve as substitutes for concrete pipes and cast iron pipes.