4 High lead and high tin copper alloy powders: 24-1，7-7-3，10-10 etc. Apparent density and particle size distribution is adjustable.
4 High lead and high tin copper alloy powders: 24-1，7-7-3，10-10 etc. Apparent density and particle size distribution is adjustable.
轴瓦材料用的高铅、高锡铜合金粉：24-1，7-7-3，10-10等；松比可调，粒度分布可调。