oil pipe and flang Size: from 1/2 to ... JB, GB, HG, UNI, API CS,SS... oil pipe and flang Technics: Forged Size: from 1/2 to ... line, such as oil, petroleum, gas, chemical industry, nuclear power station, water and nuclear power construction, shipbuilding ... , food manufacturing, construction, shipbuilding, paper making, medicine, and other industries. Main Market: United Kingdom, America, Canada, ...