The Jinzhou ERW219 straight welding pipe unit designed and manufactured by our company has a long stainless steel ERW630 straight welding pipe unit.

Haokun has been from the end of 2009 to July 2010 in KKB, Iran's Loleh & Navard & Profile Kabir company, Iran's Kianpersia Company, and Hannibal Pipe Solutions S.L.···

The 406-2540mm flat header and hydrocharma made by Hao Kun Company for the Iranian Persia Company had successfully completed the installation and commissioning in Iran at the end o···

On July 23, 2009, Qingdao Haokun Company and Iran's Ji'an Person officially signed a contract to purchase Haokun's flat header and hydraulic equipment. Because customer···