Founded in 1984, Haier Group is a global leader in providing better life solutions. Haier always takes user experience as the center. It has been ranked the world's top household appliance brand by Euromonitor International for 11 consecutive years, and is the first and only Internet of Things ecological brand among BrandZ Global Top 100 brands. Its subsidiary Haier Zhijia is listed in Fortune Global 500 and Fortune Global Most Admired Company. Haier has successfully incubated 4 listed companies, 2 unicorn companies, 16 quasi-unicorn and gazelle companies. It owns Haier, Casatti, Capo, GE Appliances in USA, New Zealand Fisher&Paykel, Japan AQUA, Italy Candy and other smart household appliances brands. Goodaymart, Yingkang Life, Kaos COSMOPlat and other service brands; Haier Brothers and other cultural and creative brands. In 2018, the global turnover of Haier Group reached 266.1 billion yuan, with a year-on-year growth of 10%; Global profits and taxes exceeded 33.1 billion yuan, up 10% year on year; Ecological revenue reached 15.1 billion yuan, up 75 percent year on year.

Qingdao Ruijie Intelligent Instrument Co., Ltd. is located in the advantageous geographical location, beautiful environment of the coastal city of Qingdao, is a collection of research and development, design, production, marketing and technical services in one of the private science and technology enterprises. Focusing on the new energy vehicle industry, the company provides special test power supply, test equipment, automatic test system and test solutions for power lithium batteries, charging piles, vehicle inverters, motor and other components.

Strong technical force, the main R & D personnel have many years of instrument development experience. Since its inception, the company is market-oriented, customer-centric, accurately grasp the market segments in related fields, high starting point, high standard has developed automatic test system, lithium battery test equipment, power measuring instrument, safety test equipment, AC and DC power supply five categories of products, in the stability, reliability, operability and main performance indicators and other aspects of enterprising.

The company's products are mainly used in lithium battery manufacturing, charging pile, electric vehicles and other emerging industries, but also widely used in household appliances, power adapters, motors, power tools, information communication, lamps, electronic transformers, electronic components, low-voltage power distribution and other industries, as well as metering, quality inspection, commodity inspection and other national institutions and research institutes.

Qingdao Ruijie has provided relevant safety and regulations comprehensive test system, computer board simulation system and other related test products for each major production base of Haier, and its high-quality products and services have been recognized by customers.