Adresse:No. 13, Yuchang Road, Niuhu Old Village, Guanlan Street, Longhua District, Shenzhen，Chine
（Len）Monsieur Wu：
E-mail:wzl@szydr.com
Téléphone:+86-13713718026(WhatsApp, WeChat, Facebook, Skype)
（Tia）Mlle Li：
E-mail:lixiaoya@szydr.comTéléphone:+86-18770751008(WhatsApp, WeChat, Facebook, Skype)
La toile:www.ydrconnector.com