Hebei Yaosheng Petroleum Special Pipe Co., Ltd. is a professional manufacturer of OCTG casing and tubing pipes under the API spec. 5CT.
With advanced technology and 4 automatic lines in OCTG tubular production, Yaosheng owns the capacity to produce API tubing pipes with O.D. 1.050 inch to 4 1/2 inch(P, U, I), and API casing pipes with O.D. 4 1/2 inch to 20 inch(STC, LC, BTC, P, E). Yaohua can produce hot-expanding steel pipes with large Dia. up to 920mm and wall thickness up to 20mm. All the pipe series products can be manufactured as per national or international standards, including API 5CT, API 5L, GB/T8163, GB/T8162, GB/T3087, GB/T5310 and also ASTM, DIN and JIS. Our products are now widely used in the fields of oil exploit, electric power, marine building and fluid/gas transportation both inland and abroad.
In order to assure product quality, our company has established inside QC lab with advanced chemical and physical inspection equipment, such as metallographic microscopes, and NDT testing equipment and so on.