1, Qingdao Defeng Electronic Technology Co., Ltd. was founded on April 5, 2007, located in Qingdao City, Shandong Province, is a major business office equipment, hardware and electrical appliances, machinery and equipment, industrial automation equipment and other products manufacturing, and Qingdao Dadong Electronics Co., Ltd. is the same type of industry, belongs to the competitors.
2. Qingdao Kelly Electronic Technology Co., Ltd. was established in February 2010, located in Qingdao, Shandong Province, is mainly engaged in the production and processing of electronic products and parts, cell phone parts, model trains and other manufacturing, and Qingdao Dadong Electronics Co., Ltd. is similar to the scope of business, belongs to the competitors.