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Hebei Guanlang Biotechnology Co., Ltd. Davy Lee Mobile/whatsapp/wechat:+8619930503208 E-mail: davy@crovellbio.com Add: No. 108, Zhongshan West Road, Qiaoxi District, Shijiazhuang,Hebei, China (Mainland) Valerophenone Basic information Description Sources Product ...
Hebei Guanlang Biotechnology Co., Ltd. Davy Lee Mobile/whatsapp/wechat:+8619930503208 E-mail: davy@crovellbio.com Add: No. 108, Zhongshan West Road, Qiaoxi District, Shijiazhuang,Hebei, China (Mainland) Valerophenone Basic information Description Sources Product ...