oil pipe and flang Size: from 1/2 to 200 inch (DN15-DN6000 ... UNI, API CS,SS... oil pipe and flang Technics: Forged Size: from 1/2 to 200 inch (DN15-DN6000 ... from 10mm to 5000mm, weight from 0.5kg to 30tons(300000kg) Certificate: ISO9001: 2000, TUV PED and ... , food manufacturing, construction, shipbuilding, paper making, medicine, and other industries. Main Market: United Kingdom, America, Canada, ...