... industry,power,ship building,paper making,metallurgy,construction /water supply and sewage workFlange Facing Types American Series: Flat Face(FF), ... Small Male-Female, Large Tongue & Groove, Small Tongue & GroovePackingWooden Cases or wooden pallet or as per customers requirementPayment Term:T/T,L ... or receiving of the letter of creditCertificate:API, CCS, and ISO9001:2000PRODUCTION PROCESS: flange