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  Oushangyuan (Tianjin) Co., Ltd. focuses on the process design of lactic acid and has the use authorization of strains with independent intellectual property rights. At the same time, it is the core equipment supplier of lactic acid production. Guaranteed by highly advantage strains, sophisticated equipment manufacturing and excellent automatic control, we provide customers with a turkey project from civil engineering planning, process design, equipment manufacturing, installation, commissioning to technician training and after-sales service.