Shenzhen Huahexin Technology Development Co., Ltd

Mobile： +86 13602677442 

Contact: Mr. Wang

Tel：+86-755-29952001 / 29743600

Fax：+86-755 29743336

Whatsapp：+86 13602677442

Web：http://openline.com.cn

Add：Building A and B, Daronghua Science and Technology Park, No. 15 Jiuwei 1st Road, Bao'an West Township, Shenzhen, Guangdong Province