Hangzhou Yinhu Chemical Co., Ltd. is a high-tech company that is engaged in researching, manufacturing, and trading of chemical intermediates, cosmetic auxiliary agents, oil field chemicals, water treatment chemicals, paper-making chemicals, antiseptic agents, and auxiliary agents for dyeing. It was formerly the Hangzhou Branch of Beijing Oil Field Chemical Company, a company which is under the China Petroleum and Natural Gas Group Co., Ltd. Approved as a high-tech company by the Scientific Bure...

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