... and gas fields. Following the principle of“Sincere Operation,Quality First and Customer Preferential”,our company wholeheartedly welcomes all ... brilliant success.Type:welding neck flange,slip on flange,lap joint flange,thread flange,slip on flange,blind flange Material:carbon steel,stainless steel ... and Zn Inspection:in-house and the third party High Quality Stainless Steel Special Forged Flange