Sichuan Guanghan Bio-Tech Co., Ltd | Address: 1-8-45, No.123 Xiaonan Street, Chengdu, Sichuan 610041, China 
www.sino-produce.com | Send Inquiry | Phone: +86-28-86127071,86-28-85055501,86-28-66270953
Sichuan Guanghan Bio-Tech Co., Ltd offers pharmaceutical intermediates. We produce piperidine series, piperazine series and pyrrolidine series. Our hydroxy camptothecin includes hydroxy camptothecin, more...