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user name:
2-50 characters, case insensitive ( A-Z, a-z, 0-9,-,_ ,., @)
Add:2128 North Guangzhou Avenue, Guangzhou City, Guangdong Province
Tel:020-37370295 37350605 37350420
Fax:020-37350409
E-mail:DQX@leiwei.com　No.05037953file, ICP, Guangdong