Address: Room 3134, 3rd Floor, No. 158 Liyi Road, Xiaoshan District, Hangzhou, Zhejiang Province 311215, P. R. China

Address: 6th Floor, Building 2# (B), No. 2157 Hunan Road, Pudong District, Shanghai 

200135, P. R. China

Address: 11th Floor, No. 18 Zhihui Road, Huishan District, Wuxi, Jiangsu Province 214174, P. R. China