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Tianjin Rainbow Steel Pipe Group is a professional and international steel pipe manufacturer and supplier in China, we located in Daqiuzhuang steel base, Tianjin, China, very close to export seaport & airport, 70km from Xingang seaport, 50km from Tianjin Airport.Tianjin Denuoxin Steel Pipe Manufacturing Co., Ltd is our factory in China.

We covers an area of 80000 square meters, with 280 workers and 5 high frequency steel pipe producing lines, the annual production ability is 350,000 tons of welded steel pipes. 

We are specialized in producing high frequency welded steel pipes, galvanized steel pipes, ERW steel pipes, GCOE square/rectangular steel pipe. Our manufacture equipment includes 5 steel pipe product lines, we can supply 350 thousand tons per year.

We hold the newest machine, the most advanced manufacturing skills, and a strict quality control system with a complete set of updated devices for testing and inspection from raw material outsourcing to cargo delivery. We got the certificate of BV and ISO9001:2000. Our products can meet ASTM DIN JIS GB BS standards. Our products are apply to Petroleum, power, gas metallurgy, paper-making, chemical, medical equipment, aviation, boiler heat, exchange, shipbuilding, construction, etc. 

Our products spread all over the world, such as Germany, Italy, North America, South America, Southeast Asia, Japan, HongKong and Taiwan. Our products are also very popular in our domestic market. 

Our aim is highest quality, competitive price, and best service to satisfy our customers, we will still keep on creating and innovation, build a best credibility and highest reputation company in the world. 

We welcome all the customers from all around the world to cooperate with us, develop and benefit both of us!