1.stainless steel 304,316, 2.ISO9001:2000 3.mirror polish&stain polish 4.investment casting 5.ODM/OEM service available Marine hardware stainless steel product.MaterialSS304,SS316,SS316L,CF-8M,CF-8C, CF-8,1Cr18Ni9Ti,1Cr13,CF-8C,1Cr18Ni9Ti,1Cr13,40 Cr,440C,1.4408,45# etc.Casting ProcessInvestment casting.Lost wax casting.Precision casting.Sand casting.Surface TreatmentStain & Mirror ...