Located in Hangzhou Bay Industrial Park in Shangyu city of Zhejiang Province, Zhejiang Chemsfield Co., Ltd (former Shangyu Chemsfield Co., Ltd.) . is a specialized manufacturer of Nano-Grade Transparent Iron Oxide Pigments, High Concentrated Solvent-type Color Pastes and High Concentrated Environment-friendly Water-based Color Pastes . The capacity has reached 1,500 metric tons annually. After years of research and development, the products have achieved the one of the top level by the stable quality, mature production technology and enjoyed the good fame for the advanced technology, strict control of the quality management as well as the best quality, various type and favorable price in the world market. There are over 90% of the products exported to the European countries and America at present.