Lead-free Tin Solder Bar Sn99.3Cu0.7 Is Used for Welding GI Sheet And Stainless Steel Sheet Lead-free tin solder bar Sn99.3Cu0.7 is used for welding GI sheet and stainless steel sheet Lead-free tin solder bar (Sn99.3Cu0.7), as an efficient and reliable welding material, is widely used in welding GI (galvanized iron) sheets, stainless steel sheets and other materials. We are a professional Chinese manufacturer of Lead-free Tin Solder Bar Sn99.3Cu0.7 Is Used for Welding GI Sheet And Stainless Steel Sheet,
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