Youchengkeji manufactures anti-corrosion steel pipe, plastic-coated composite pipe and pre-insulated pipe. Full-diameter processing DN15–DN3800, annual output 120,000 tonnes — safeguarding oil & gas transmission, water conservancy and municipal projects.
From base steel pipe to coated, anti-corrosion, insulated pipe and full fitting sets — one factory, one quality standard, one point of responsibility.
DN200–DN3800, wall 5–25mm. GB/T 3091, GB/T 9711, SY/T 5037.
View series →Potable water, fire-fighting, mining dual-resistant, PE/EP, power conduit. Largest DN3800 line in North China.
View series →FBE, 2FBE, 3PE, 2PE, PEEP, TPEP processes; 200,000 ㎡ annual coating capacity.
View series →District heating, thermal networks and steam duties up to 350℃.
View series →Full fitting package matched to the pipe line — one order, one shipment.
View series →X-ray room, 1000t hydrostatic tester, spectrometer; potable-water hygiene licence & MA mining certificate.
Quality system →Eight major application fields, from municipal water to mining gas drainage — matched coating, insulation and connection solutions for each.
Potable-water certified coating; cement mortar lining for large mains.
PU pre-insulated & steel-casing steam pipe for heating networks.
3PE external coating to GB/T 9711 for gas distribution mains.
MA-certified dual-resistant coated pipe for mining duties.
Multiple double-sided submerged-arc spiral pipe lines; a dedicated anti-corrosion plant; a dedicated insulation plant; and the largest-diameter pipe coating line in North China (up to DN3800).
In-house laboratory and online testing on every line. Each pipe carries its heat number for full traceability from raw coil to dispatched product.
Selected projects — from geothermal heating on the Tibetan plateau to major water-transfer and overseas Belt & Road pipelines.
Polyurethane pre-insulated pipe supplied for plateau geothermal heating at 4,500 m altitude.
County-scale district heating pipeline renewal with PU insulated steel pipe.
Water pipeline for the Saindak mine on the China-Pakistan Economic Corridor: 38,000 m of DN600 pipe shipped in 325 truckloads, with on-site after-sales service in Pakistan.
Technical proposal and quotation within one working day.
