Zhejiang Hongxin Copper Co., Ltd. is an enterprise specialized in the production  sales of military copper tubes (rods), precision instrument bourdon tubes, electronic communication capillaries  other copper profile products. Through horizontal continuous casting extrusion drawing process, various specifications of tin bronze tubes  bars are produced. The grades are qsn8-0.3, qsn7-0.2, qsn6.5-0.4, Qsn6.5-0.1, qsn4-0.3, etc., which are used in instrument industry, communication equipment industry, industrial sewing machine industry, new energy automobile industry, motorcycle industry  other industries. The products are produced according to the national standard  European Union RoHS organization,  SGS test report is provided.