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Shandong Ruizhi Biotechnology Co., Ltd.
Wuhan Dahua Weiye Pharmaceutical Chemical Co., Ltd.
Chengdu PRF Medication Research Co., Ltd.
Zelang Group (American Branch) Inc.
Xi'an Tianrui Biotech Co., Ltd.
Nanjing Zelang Medical Technology Co., Ltd.
Shanghai Xin Hua E-General-Merchandise Services Co., Ltd.
Wuxi Gorunjie Natural-Pharma Co., Ltd.
Xi'an Natural Field Bio-Technique Co., Ltd.