8.Surface finishing: powder coating, zinc coating, nickel coating, chrome coating, e-coating, black oxide, vacuum metallization, anodize, chromate coating
8.Surface ສໍາເລັດ: ການເຄືອບຝຸ່ນ, ເຄືອບສັງກະສີເຄືອບ nickel ເຄືອບ chrome, e-ເຄືອບ, oxide ສີດໍາ, ໂລຫະດູດຝຸ່ນ, ອີກຄົນຫນຶ່ງເຄືອບໂຄເມ