奈米塗料系列,鋁鎂合金專用前處理及塗料,鋼材表面處理矽藻土,及各項化學原料

NANOMETER PAINT SETS, PROFESSIONAL PAINT FOR ALUMINUM AND MAGNESIUM (APPLY IT BEFOREHAND), DIATOMITE FOR THE SURFACE OF STEEL, AND ALL OTHER RELATED RAW MATERIAL FOR THE CHEMICAL PRODUCTS