Def Pipeline is a modern emerging enterprise integrating research, development, production, sales and after-sale service of HDPE, PVC, pipe and fittings. Def Pipeline is committed to working with its customers to understand their needs and deliver the highest level of customer service and product quality. Def Pipeline aims to supply quality, safe, reliable and cost-effective products that fit its customers’ requirements and are delivered promptly.

Our company has a modern standard workshop, a modern 8S enterprise management mechanism, and covers an area of 70,000 square meters. There are 386 employees, 30 senior engineers and technicians, and 6 laboratory staff. Def Pipeline won the “National Authoritative Inspection Qualified Products”. It has passed ISO9001, ISO14001, ISO45001, OHSAS18001 national laboratory accreditation certificate, water saving certification, China environmental label certification and many other certifications, and has passed the international third-party 1SO4427, ASTM D3350 AS/NZ 4130, EN 12201 standard tests.

Def Pipeline has 67 high-speed pipe extrusion lines, 16 high-speed injection molding machines and 6 custom pipe lathes. The equipment of Def Pipeline production line has a high level of automatic production. The production process is fully automated through computer control. The annual production capacity is: 250,000 tons of HDPE pipes and fittings, 150,000 tons of PVC-U pipes and fittings, and 120,000 tons of double-wall corrugated pipes.