Lanzhou, Gansu for the drainage pipes with spiral state designated manufacturer

Specifications: diameter :219-3600mm thickness :5-32mm implementation of standards: SY/T5037-2000 (fluid transport spiral steel pipe, spiral steel department standard), GB/T9711.1-1997 (GB carbon spiral steel pipe) , GB9711.2 (American Standard oil line pipe), SY/T5040-92 (with spiral steel pipe piling construction), API 5L (American Standard API spiral steel pipe), API 5CT other coil material: Q235A, Q235b, Q345, L245 ( GR.B), L290 (X42), X52, X60 and so on. Market: spiral steel pipe inside the export, domestic trade sold to 28 provinces, districts, etc., foreign trade throughout the world, do API inspection, 13-point rebate. Packaging: spray paint, caps, bevel, cut to length, epoxy paint corrosion, 3PE corrosion protection according to customer needs. Delivery Time: after receipt of deposit 7 - 10 days, the volume of large Reconsideration, perennial has a large stock purposes: water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction, is the development of two ten key products. For liquid delivery with: water supply, drainage. Used for gas transportation: gas, steam, liquefied petroleum gas. For structural: as piling pipe, for bridges; terminals, roads, pipes and other building structures. 1 GB and a spiral steel pipe API5L certification, and can produce non-standard spiral steel pipes, for domestic and export business for many years, the national standard GB/T5037 spiral quality and low price, has been API5L certificate, can apply for API inspection, the company with the high-quality products, good reputation, access to domestic and overseas customers. (2) has passed the ISO9001: 2000 international quality system certification, special equipment manufacturing pressure piping components manufacturer AB-license certification, the American Petroleum Institute API 5L certification as well as their access to a number of honorary certificates. Spiral Pipe factory has four spiral submerged arc welded pipe production lines, all using today's advanced production equipment and the United States Lincoln automatic submerged arc welding machine, equipped with an online digital ultrasonic flaw detector, hydrostatic pressure testing machine, X-ray real time imaging, universal testing machine, Charpy impact testing machine material such as a complete quality control instrument. Products by "China's Oil Industry Quality Supervision and Inspection Center dedicated pipe" test, all standard. Large diameter spiral steel pipe, spiral steel pipe thick-walled, Continental spiral steel pipe, large diameter spiral