ក្វាងចូវ Tieying Spring Technology Co., Ltd. ទូរស័ព្ទ៖008613929542670 Whatsapp៖ 008613926165698 អ៊ីមែល៖tyi@tygasspring.com អ៊ីមែល៖tyg@tygasspring.com អាស័យដ្ឋាន៖ Qiaoxing Guangzhu Road, Dongchong Town, Nansha District, Guangzhou, Guangdong, China