Dear Sir/Madam   We are a professional manufacturer and supplier of chemicals, active pharmaceutical ingredients, biopharmaceutical, pharmaceutical intermediates, and many more specialized organic compounds and sales of equipment. We also are available for technology development and research institute and process development, biological feed research and development, Providing custom synthesis to our global customers. We are dedicated to bringing high-quality and cost-effective products on a timely basis. So if you have any inquiries for our products we could send you our products catalog and free samples. when you are free pls contact me freely. Looking forward to hearing from you Best regards  David chen Company: TIANTAI YISHENG BIOCHEMICAL TECHNOLOGY CO., LTD.  Address:No.197,FENGZE ROAD,CHICHENG DISTRICT,TIANTAI,TAIZHOU,ZHEJIANG,CHINA website: www.yisunbio.com Email:sales@yisunbio.com Tel No.:0086-576-83869808 Fax No.:0086-576-83957825 Mobile::0086-13867676380 Skype: biopharmachina