Dongguan Mingfeng Hardware Products Co. Ltd.
Sycor, Inc.United States
CHEN SOUND INDUSTRIAL Co LtdUnited States
Kunshan Anshengda Microwave Technology Co., Ltd.Jiangsu Sheng, China
Chengdu Engineering Co., Ltd. of China Light Industry
Tonghua Petrochemical Machinery Manufacture Co. Ltd.Jilin Sheng, China
Nantong Deyi Chemical Co., Ltd.
Qingdao Jingyixin Electronic Technology Co., Ltd.Shandong Sheng, China
Dongguan Huazhi Color Printing Packing Co. Ltd.
Santa Barbara Research Center
Anhui Zhongjia Zhirui Technology Co., Ltd.Anhui Sheng, China
Jiangsu Mingyuan Tower Co., Ltd.