- Wuhan USCN Business Co., Ltd. No. 33 ZhenHua Road, Wuhan Economic & Technological Development Zone 0086-800-880-0687(Toll free) 0086-27-8425-9551 mail@uscnk.com http://www.uscnk.com
- Shanghai wuhao bio-tech Co.,Ltd. 021-68509247;17702145183 021-58680811 wuhao@wuhaosh.cn; wuhaosh@126.com http://www.wuhaosh.cn
- BEIJING CHINA OCEAN CO., LTD. 400-0528-006(Toll free) 010-62899882 huaxiabio@163.com http://www.hxbio.net
