Guangzhou Tieying Spring Technology Co., Ltd. Telefon:008613929542670 Whatsapp: 008613926165698 E-post:tyi@tygasspring.com E-post:tyg@tygasspring.com Aadress: Qiaoxing Guangzhu Road, Dongchongi linn, Nansha piirkond, Guangzhou, Guangdong, Hiina