Cowin Semiconductor Materials (Ningbo) Co., Ltd. (Cowin Semicon) is located in Hangzhou Bay, Ningbo City, Zhejiang Province, China with 100 million CNY investment and 14700m²areas in total. It is equipped with 100,000-grade& 1,000-grade purification clean rooms. Cowin Semicon is committed to R&D, production and sales of high purity metals, alloys and semiconductor sputtering targets. Our products are widely used in semiconductor chip manufacturing, displaying screen making, thin-film solar energy, nuclear industry, aerospace fields and advanced physics research, etc.