Jiangsu Pan Asia MicroVent Technology Co., Ltd. 　　　　  Address: No. 8, Qiancao Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province 　　　　  Tel: 0086+519-85316198 　　　　  Fax: 0086+519-85310816 　　　　  Website: https://www.china-venting.com 　　　　  Email: han.zhang09@china-venting.com zhangyun@china-venting.com