... , aluminum, iron(SGCC,SPCC,SECC),etc.3.Surface treatment: kinds of plating (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder ... delivery and excellent service aftersales service.8.Gain certificate of The Hong Kong Metals Manufacturers. Association Membership Certificate and ... (discussible)Port of loading:Hong Kong or ShenzhenAny question,Please feel free to let me know.Welcome!! Metal welding services