Thick-walled straight seam steel pipe refers to a steel pipe whose outer diameter to wall thickness ratio is less than 20, which is called thick-walled straight seam steel pipe. Mainly used as petroleum geological drill pipe, petrochemical decomposition pipe, boiler pipe, bearing pipe, automobile, t

GK supply chain has been serving the steel tubing and pipe fitting needs of businesses in domestic and foreign markets since 2003. Family owned and operated, GK is a rapidly growing mid-size company with quality steel products, dedicated employees, and superior customer service.From GK entrepreneuri