Zhejiang Hangzhou Bay Shangyu Economic & Technological Development Zone was established in 1998 and located in the south bank of Hangzhou gulf. It was upgraded to a national level economic & technological development zone in 2013......| More
Sanwei Chemical Co., Ltd. is located in Hangzhou Bay Economic and Technological Development Zone. Sanwei built strategic partner relationships with China North Industries Group Corporation and Dalian University of Technology.....| More
Sanwei alway treats high-quality product, professional technology and excellent service as our life and aims to supply valuable products and services to our customer all the time......| More
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