hangzhou qi wei instrument co., ltd.
phone: 0571-81955628
fax: 0571-81953628
contact: yan shiying 18905812126
address: 25, 1 and 2 floors, 488-1 east lake north road, yuhang district, hangzhou.
web site: www.qiweiyiqi.com
mailbox: [email protected]
public number: a800018052
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