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Address: Room 1107, Shangpin Huadu Building 2, No. 88 gaoxin Road, Yanta District, Xi 'an, Shanxi province.
Telephone:15921654854
Address: Room 306, Building 7, No. 207 mengzi Road, Huangpu District, Shanghai
Telephone:18842885306
Address: Room 203, Building 3, Guangdong Optoelectronic Technology Industrial Base, No. 171, Qiaozhongzhong Road