Category 1, aluminum products classification: rolling material, casting material, non-heat-type alloy, pure aluminum (1 ××× series), aluminum-copper alloy (2 ××× series), aluminum-manganese alloy (3 ××× series), Al-Si alloy (4 ××× series), aluminum-magnesium alloy (5 ××× series), aldrey (6 ××× series), zinc aluminum magnesium alloy (7 ××× series), aluminum alloys with other elements (8 ××× series). 3, aluminum processing products category: rolling products: sheets (Sheet), the plate (Plate), the roll sheet (Coil), strip. Extrusion products: tubes, solid rods, profiles (Profiles). Foundry products: Casting. Aluminum weight formula Daquan: square rod weight (kg) = 0.0000027 × edge width × width × length side copper rods square weight (kg) = 0.0000089 × edge width × width × length side square brass rod weight (kg) = 0.0000085 × edge width × width × length aluminum diamond plate side: weight per square meter = 2.96 * thickness aluminum Weight (kg) = 0.00000879 × thickness × (OD - Wall Thickness) × length aluminum Weight (kg) = 0.0000027 × thickness × width × length of high-quality aluminum products processing high-quality aluminum products processing, Guangdong aluminum products processing, precision provided by Jin Jin Precision Parts Co., Ltd., Huizhou. Huizhou Hing Precision Parts Co., Ltd. (hzjxbp.com) (www.hzjxbp.com) strong, credible, in Huizhou, Guangdong standard mold industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinxing into the brilliant precision and you work for a better future!