Huixin Group Company was founded in 1996 which has the main body of the production of Huixin steel pipe .Our company is as big as 600 yidlds and we have 580 stuff members inclusive of 2 doctors, 5 masters 28 supervisors and 86professional technicians .As well ,our company own 8sub-companies, the output of the pipes is 300 thousands tons which are sold to overseas markets such as USA ,Japan,German ,Canada Korea and some other counties.Our cmoany also have main projects in our country like Beijing National Theater.The Olympic Stadiums and Tianjin government and Tianjin Quality Supervising Office . We also pass the ISO 9001-2000 Quality System Authentication .We also pass the ISO9001-2000 Quality System Authentication. We produce pipes like 15*15-300*300 and 15*30-400*300 and the length is 3m to12m These pipes are usde in many fields.