Tel：86-010-80728999
E-mail：bjhaiyan@yangzijiang.com
Zip code：102206
Address：No. 16, Shengmingyuan Road, Changping District, Beijing
If you encounter product issues and want to consult or complain, you can call the consumer service hotline.
Adverse drug reactions/event feedback phone：
86-400-988-1999
Adverse drug reactions/event feedback email：
pv@yangzijiang.com
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