hangzhou Chuanrui import and export Co., LTD is located in hangzhou with a long history, beautiful, and convenient transportation, called heaven on earth hangzhou, close to hangzhou xiaoshan international airport, is a professional in the production and sales of chemical raw materials manufacturers. The main products tin ingots, antimony ingot, zinc ingots, lead ingot, magnesium ingot, aluminum and other metal products and other chemical raw materials. The company has advanced production equi...View More