~Mianyang BOE uses the large platform contact angle measuring instrument from Shanghai Aifeisi Precision Instrument Co., Ltd., which can measure products of various specifications. Engineers patiently and meticulously debug, install, and train, and their products and services are highly praised by users. At the same time, the test data of our product was compared with the Boilin contact angle measuring instrument, and the difference in data was not significant. Meets the testing data requirements of upstream and downstream customers of BOE in Mianyang.