1. 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;
2. 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;
3. 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;
4. The Max flux is the highest flux for the meter in the rated error, at the max flux the meter only work in a short time and not to broken. 最大流量是水表在规定误差限内使用的上限流量。在最大流量时,水表只能短时间工使用不至损坏。