... requirementsPackagingWooden case, carton, crate, bag, parcel, bale, package, barrel, etc.Casting OEM serviceMaterial: iron, gray iron, ductile iron, steel, stainless steel, carbon ... , JISWeight range: 5g-20tonCasting process: client drawings—pattern—raw casting—machining—packing—delivery.Casting quality control system1. Drawing control Confidentiality–Be confidential to ...