Be kindly informed that were the subsidiary company of Baosteel Group which was established in 1958 and principally in engaged in producing seamless steel tubes. We have the ability to supply tubes according to numerous steel grades incluing: A179, A192, SA210A-1, SA106B, SA210C, SA106C, SA213T2 (T2), SA213T12 (T12), SA21322 (T22), SA335P22 (P22), SA213T91 (T91), SA335 (P5), 15Mo3, 13CrMo44, 10CrMo910, CK35, STBA20, STB410, STBA20. The specifications of tubes we can supply is as follows: OD: 4mm~89mm WT.: 2mm~16mm Length: Not more than 10.5m Our products enjoy a good reputation all round the world due to our high quality and satisfied service, and weve established the business relationship with many famous manufacturers in India, Korea, Japan, USA,Spain, Brazil and Iran. We will constantly make an effort to provide the best products and service.