ក្រុមហ៊ុន Guangzhou Tieying Spring Technology Co., Ltd. ទូរស័ព្ទ៖០០៨៦១៣៩២៩៥៤២៦៧០ https://www.youtube.com/@gasspringty8762 អ៊ីមែល៖tyi@tygasspring.com www.facebook.com/gasspring.ty/ អាស័យដ្ឋាន៖ Qiaoxing Guangzhu Road, Dongchong Town, Nansha District, Guangzhou, Guangdong, China
