Shenzhen Yu-feng of solder Co. , Ltd. is a professional production and sale of flux Series: Disposable flux, Rosin flux, water-soluble flux, lead-free flux;
深圳市宇锋达焊料有限公司是一家专业生产、销售助焊剂系列：免洗助焊剂、松香型助焊剂、水溶性助焊剂、无铅助焊剂；
Rosin meeting the lead-free requirements is used for the lead-containing solder wires manufactured by our company.
本公司生产的有铅锡线已采用符合无铅要求的松香。
The factors affecting soldering ability of rosin-based flux for lead-free solder paste, and the factors affecting erosion resistance are discussed.
实验结果表明，松香种类不影响无铅焊膏用松香型助焊剂的助焊性能。
The factors affecting soldering ability of rosin-based flux for lead-free solder paste, and the factors affecting erosion resistance are discussed.
实验结果表明，松香种类不影响无铅焊膏用松香型助焊剂的助焊性能。
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