In August 2021, we won the bid to customize a large 8-cubic walk-in high and low temperature alternating humidity testing equipment to Shenzhen Hetai Intelligent Control Co., Ltd. We would like to thank the customer for their trust and support in Dingzhun TOPS, and Dingzhun will continue to provide high-quality testing equipment and excellent after-sales service to help customers achieve faster and better sustainable development.

Shenzhen Haier Group adheres to the business positioning of high-end technology, high-end market, and high-end customers, and has more than 700 R&D engineers and over 1700 invention patents in the field of intelligent controllers. The company takes technological innovation as its core competitiveness and relies on standardized and international operations for development. Its export ratio, number of independent intellectual property rights, and other indicators are among the top in the domestic industry. It is a leading enterprise in the domestic intelligent controller industry and was successfully listed on the Shenzhen Stock Exchange on May 11, 2010, with stock code 002402.