Hangzhou Dongzheng Group CO.,LTDHangzhou Dongzheng hardware Co.,Ltd is part of Zhejiang Group Co., Ltd. And our company was established in 2004. We have more than 300 workers and kinds specialized product line for welding metal, mix advanced Auto-Measurement Technique--Optical spectrum instrument; It will insure 100% YLD issue the ....Address:tianhui yuan, jincheng road xiaoshan Hangzhou Zhejiang 311200 ChinaProduct/Service:welding wire, electrode, brazing rod, tin solder,welding wire, electrode, brazing rod, tin solderShaoxing Tianlong Tin Materials Co.,Ltdwe are the bigest manufacture of producting zinc wire, tin alloy wire and lead free solder wire. we have 20years history,Product export to Asia European and USA..Address:wulian industrial area donghu town,shaoxing zhejiang,china Shaoxing Zhejiang ChinaProduct/Service:zinc wire, tin alloy wire, zinc-alumium wire, solder wire,zinc wire, tin alloy wire, zinc-alumium wire, solder wireChangZhou Rui K-Tech Solder FactoryWe are specially interesten in solder material industy. we manufacture product, alloy, and flux, Ag Sn-Cu Sn-Sb Cu-Be other alloy. Solder bar wires, Tin alloy leadfree solder, paster.aluminium stainless welding flux so on. Pls connect with us, if u need any requirements. U can visit our website as quote, ....Address:wanjiafu, changzhou, jiangsu, ChinaProduct/Service:solder wire, flux, cu alloy, tin alloy, silver alloy,,solder wire, flux, cu alloy, tin alloy, silver alloy,