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  • Dongying Hi-tech Spring Chemical Industry Co., Ltd. (hereinafter referred to as “Hi-tech Spring”), founded in October 2002, is located in Dongying Provincial High-tech Industrial Development Zone. The Company owns two major production bases in China, namely, Shandong Production Base and Jiangsu Production Base, and has more than 500 employees. Hi-tech Spring has been specializing in the research and development, production and sales of electrolyte solvents and high-end fine chemicals such as propylene glycol, dipropylene glycol and 1,3-butanediol for 20 years. Its products are widely used in lithium battery materials, medicines, daily chemicals, flavors and fragrances, basic chemistry and other fields, and exported to Europe, America, Japan, South Korea, Southeast Asia, and other countries and regions. It has more than 1,000 global cooper  Click for details>>

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