产品规格:
1)1g,2g,5g,10g,20g,50g,100g,200g,500g,1kg,2kg,5kg,10kg, 20kg 标准2) OIML: F1, F2, M1, M2 3) ASTM: 2, 3, 4, 5, 6, 7 4) 材料:不锈钢或铜