久久婷婷国产综合精品,久久久久久久性潮,换脸国产av一区二区三区,韩国精品一区二区三区无码视频 ,久久久久成人精品无码

Company Profile

Bellen Chemistry Co., Ltd.
  • Contact Person :
  • Fax:
We are BellenChem in Beijing, China with a history of three years and a half. We are not traders but real R&D centers.We dare to say, we are the biggest supplier of indazole, isoquinoline and pyridine suppliers in the world. We are focus on Custom synthesis for our leading customer including Top Pharm and catalog company. Pls. visit our website for more information at www.bellenchem.com.

Contact Us

PharmaSources@imsinoexpo.com

Tel: (+86) 400 610 1188

WhatsApp/Telegram/Wechat: +86 13621645194
+86 15021993094

PharmaSources Customer Service