... DIN JIS GB 3.model number:as per customer requirement 4.technics:forged carbon steel threadoletOur company ... concentric/eccentric reducerSizenormal specification and as per the customer requirementMaterialcarbon steel,stainless steel,alloy steel,cast ... oil,black painted,vanish,galvnanizing and as per customer requirementApplicationtransportation,lining,petroleum,chemical,power,metallurgy,construction, ...