Connecting the world with quality
+86 13298353566Call to get professional solutions for you pipeline projects
Call to get professional solutions for you pipeline projects
Henan DEF Pipeline Technology Co., Ltd. is a modern enterprise integrating research, precision manufacturing, and global supply of heavy-duty HDPE and PVC-U piping solutions.
Operating under modern standard workshops and an 8S management mechanism across a 700,000 m² base, our 386 staff members and 30 senior engineers manufacture certified pipe networks for water distribution, gas conveyance, dredging, and harsh industrial environments across 80+ countries.
Specialized standard extrusion workshops and logistics yards
250k tons HDPE, 150k tons PVC-U, 120k tons corrugated pipes
Equipped with 16 injection molders and 6 custom pipe lathes
Including 30 senior engineers and specialized lab technicians
Automated production lines ensure high processing consistency, stable molecular orientation, and dependable wall thickness accuracy across all sizes.
Fully automated computer-controlled production processes delivering high hourly output and dependable structural density.
Advanced German extruders with parameter memory functions ensuring continuous diameter and roundness consistency.
Strict warehouse staging using prime virgin PE100 approved by the PE100+ Association with full batch traceability.
Extensive finished goods stockyard for standard sizes to support rapid container stuffing and prompt sea shipments.
Stringent testing protocols are strictly conducted at every stage to ensure every delivered pipe is safe, compliant, and durable.
Uses prime resins approved by PE100+ Association. Monitored for Creep Rupture Strength (CRS), Stress Crack Resistance (SCR), and Rapid Crack Propagation (RCP).
Equipped with KraussMaffei and Battenfeld extruders with automatic memory functions and high automation to maintain repeatable quality stability.
Technicians with over 10 years experience sample pre-production runs: inspecting surface finish, dimensional accuracy, and extruder melt parameters.
Full batch checks before warehousing: density, melt flow rate, vertical reversal, tensile strength, elongation at break, OIT, and internal hydrostatic testing.
Products conform to rigorous international standards, including WRAS potable water approvals, NSF test reports, and ECM CE conformities for global water and gas infrastructure.
Partner directly with DEF PIPELINE. Send your technical drawings or schedule of quantities to receive factory-direct quotes and certified technical support within 24 hours.
