Guangzhou HuaYou Testing & Technology Service Co., Ltd.

1）Guangzhou：

Contact Person：Li  Ouyang   Mobile：18665612835   E-mail：yl@cyu-china.com   TELl：020-82036303

Address：Room 101, No. 12, Compound 8, Nanyun fifth road, Huangpu District, Guangzhou, Guangdong, China

2）East China and Northeast：

Contact Person：Guohui Tao    Mobile：18665602826    E-mail：tgh@cyu-china.com

3）Central China：

Contact Person：Hongjun Ma    Mobile：13450240782    E-mail：mhj@cyu-china.com