API 5L x42 x46 x52 x56 ssaw steel pipeline agricultural irrigation large diameter mild spiral welded carbon steel pipe

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Shandong Longhai Steel Co., Ltd. is mainly engaged in steel pipe manufacturing, steel pipe, most inventory and export business. We specialize in the production of high-tech ERW (resistance welding), SSAW (spiral submerged arc welding) steel pipes and scaffold couplers. The company has advanced 610mm high frequency straight seam resistance welding machine and 3048mm spiral submerged arc welding machine. In addition to the ERW and SSAW plants, we also have three other related LSAW and SMLS production plants in China. Main product range: 1. ERW steel pipe: outer diameter 1/2-24 inch (21.3-610 mm) 2. SSAW steel pipe: outer diameter 8-120 inches (168.3-3048mm) 3. LSAW steel pipe: outer diameter 8-72 inches (219.1-1820mm) 4. Seamless steel pipe: outer diameter 1/8-30 inches (10.3-762 mm) 5. Scaffolding tube and connector 6. Anti-corrosion steel pipe: like hot-dip galvanized, FBE, 2PE, 3PE, 2PP, 3PP, epoxy resin, etc...Our company produces 600,000 tons of ERW and SSAW steel pipes of various types each year, including those used for oil and gas, petroleum The casing for gas and natural gas transportation is in accordance with the domestic standards of GB/T9711, GB/T3091, GB/T13793, SY/T5768, SY/T5037 and SY/T5040 as well as API Spec 5CT, API Spec 5L PSL2, ASTM A53, ASTM A252, EN 10217, EN 10219 and other related standards. All these steel pipes are suitable for petroleum, natural gas, shipbuilding, chemical industry, environmental protection, boiler, water conservancy, electrical engineering, steel structure, construction and other related fields. Quality assurance system, and long-term plan, continuous maintenance, control and improvement of the quality of our products. By using advanced technology, equipment, management skills and good reputation, we guarantee to provide customers with the best products and services. All employees of our company would like to thank you for your attention to our products. You are welcome to give us valuable suggestions about our products and services. Welcome to Shin-Etsu, thank you!

1. who are we?
We are based in Shandong, China, start from 2021,sell to Domestic Market(9.00%),North America(7.00%),South America(7.00%),Eastern Europe(7.00%),Southeast Asia(7.00%),Africa(7.00%),Oceania(7.00%),Mid East(7.00%),Eastern Asia(7.00%),Western Europe(7.00%),Central America(7.00%),Northern Europe(7.00%),Southern Europe(7.00%),South Asia(7.00%). There are total about null people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
stainless steel pipe,stainless steel plate

4. why should you buy from us not from other suppliers?
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5. what services can we provide?
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