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Breathing new life into chemistry.
Weifang Factory: Changyi Longchang Biochemical Co., Ltd., Shibu Development Zone, Changyi City, Weifang City, Shandong Province, China.
Jinan Office: Shandong Longchang Chemical Co., Ltd., Room 2411, Building 3, Aosheng Building, High-tech Zone, Jinan City, Shandong Province, China.
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