PST Group has been expanding through resource integration and has acquired brands of different instruments and meters, such as the moisture and humidity measurement solution from UK based Michell; Switzerland's Rozhnik is a manufacturer of humidity, temperature, water activity, carbon dioxide, and pressure measurement equipment in the industry, particularly widely used in the pharmaceutical industry; Entron Ireland is a supplier of oxygen measurement and gas analysis sensors and analyzers; AII designs and manufactures innovative gas analysis products, including oxygen analyzers and sensors.

Wuxi Huikete Measurement and Control Technology Co., Ltd. PST Group's subsidiary in China is responsible for the sales of its main sub brands such as Micil, Rozonik, Entron, AII, etc. in China. With the expansion of the company's scale in the Chinese market and the improvement of brand awareness, PST will transfer more brands to China, with the branch fully responsible for promotion. SST is another strong brand joining after Michell, Rotronic, Ntron, and AII.