Yangzhou Shanhe Welding Materials Co. , Ltd. produce various kinds of copper solder, mainly copper and zinc have solder series, Cu-P filler metal series;
生产各类铜焊条，主要有铜锌钎料系列、铜磷钎料系列；
Mount: as for the metal ring materials, it is mainly copper-based alloys, but the degree of strength and resistance to deformation strengthening.
山：对于金属环的材料，这主要是基于铜的合金，但幅度的强度和耐变形加强。
Mount: as for the metal ring materials, it is mainly copper-based alloys, but the degree of strength and resistance to deformation strengthening.
山：对于金属环的材料，这主要是基于铜的合金，但幅度的强度和耐变形加强。
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