supplier list
- Otsuka Chemical Co. Ltd.
- Tel:(06) 6946 6231
- Address: 3-2-27 Otedori 3-2-27 Otedori Osaka, 540-0021 Japan
- Hangzhou J&H Chemical Co., Ltd
- Tel:86-571-87396430
- Address: No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China
- Boc Sciences
- Tel:1-631-5046093
- Address: 45-16 Ramsey Road Shirley, NY 11967, USA