Sushi Test Group (Stock Code: 300416) is a cutting-edge environmental and reliability testing equipment and testing services and solutions provider in the industry. It is one of the leaders in the field of environmental and reliability testing in my country. The predecessor of the group was Suzhou Testing Instrument General Factory. It was founded in 1956. In 2008, it introduced strategic investors and established Suzhou Sushi Testing Instrument Co., Ltd., which was changed to Suzhou Sushi Testing Instrument Co., Ltd. in 2011. On January 22, 2015, Suzhou Sushi Testing Instruments Co., Ltd. was listed on the Shenzhen Stock Exchange GEM, becoming the earliest listed company in the industry. On August 25, 2017, Suzhou Sushi Testing Group was officially established, and Suzhou Sushi Testing Instruments Co., Ltd. was renamed Suzhou Sushi Testing Group Co., Ltd.

The group's main products include mechanical environmental testing equipment, climate and environmental testing equipment, etc. It belongs to the high-end equipment manufacturing industry in the field of testing machines and is used to simulate mechanical, climate and comprehensive environment such as vibration, impact, fall, temperature, humidity, etc. The product is currently widely used in aerospace, ships, communications, electronics, automobiles, rail transit and other fields.

Based on experimental equipment manufacturing, the Group actively transforms its strategy to the manufacturing service industry. Since 2006, it has gradually built environmental and reliability laboratories in Suzhou, Beijing, Guangzhou, Shanghai, Chengdu, Xi'an, Wuhan and other places to provide users with third parties. Environmental and reliability testing services. Since the laboratory started operation, a large number of environmental and reliability tests have been conducted for products in the fields of aerospace, ships, nuclear power, communications, automobiles, rail transit, electronics, home appliances, etc. In October 2019, successfully acquired Yite (Shanghai) Inspection Technology Co., Ltd. to enter the field of integrated circuit inspection, providing customers with integrated circuit supply chain verification and analysis solutions, with the ability to obtain from integrated circuit component level, product component level to system level. The reliability test and verification and analysis capabilities of the entire industrial chain have become one of the leaders in the industry.