1.Telephone： +86-0769-89201068  

2.E-mail：  haidasales@qc-test.com

3.Cellphone ：+86 13829267288 

4. Wechat ： z13829267298 

5. Address：No.13 Daxin Street, Daluosha Industrial Zone, Daojiao Town, Dongguan City, Guangdong Province.