Guangzhou Tieying Spring Technology Co., Ltd. Telpon:008613929542670 https://www.youtube.com/@gasspringty8762 E-mail:tyi@tygasspring.com www.facebook.com/gasspring.ty/ Alamat: Jalan Qiaoxing Guangzhu, Kutha Dongchong, Distrik Nansha, Guangzhou, Guangdong, China
