
Beijing Sifang Chengxin Animal Husbandry Technology Co., Ltd.Beijing Shi, China

Henan Shang Relay Technology Co., Ltd.Henan Sheng, China

Chongqing Ruizheng Technology Co., Ltd.Chongqing Shi, China

Hebei Guantai Electronic Technology Co., Ltd.Hebei Sheng, China

Kunshan Hema Sealing Technology Co., Ltd.Jiangsu Sheng, China

Kai Zhang

Quzhou Hongao Hardware Co., Ltd.Zhejiang Sheng, China

Guangdong Oster Hardware Precision Manufacturing Co., Ltd.Guangdong Sheng, China

Hangzhou Linan Rongteng Tools Co., Ltd.Zhejiang Sheng, China

Rizhao Haocheng Electronic Technology Co., Ltd.Shandong Sheng, China

Shandong Hengyi Kaifeng Machinery Co., Ltd.Shandong Sheng, China

Jin-seon Choi