TEL:+8610-5653 8958
Head office + R&D center / B1,Z3, Yizhuang Jiucheng Science and Technology Innovation Park, Economic and Technological Development Zone, Beijing
North China Production Base/Qinhuangdao Green Chemical Industrial Park in Hebei Province
Central China Production Base/Changsha Economic Development Zone, Hunan Province
TEL
8610-56538958
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