Yuyao Temperature Instrument Factory Co., Ltd. (gongbao brand instrument) was named "Zhejiang province contract-abiding and trustworthy enterprise" in 1997, and "three periods from 2000 to 2017 were identified as high-tech enterprises" (one for each period year), the drafting unit of "National Standard" and the participating units of "Zhejiang Province Industry Product Quality Supervision, Inspection and Evaluation Rules" are formulated. The company mainly produces "Gongbao Brand" industrial automation instruments, which have the ability to mass produce field measurement and control instruments with accuracy better than 2/60, 000. More than 5000 kinds of pointers, digital displays, LCD display instruments and sensors with different surface sizes, various measurement and control methods are developed and produced. They are known for their good reliability, powerful functions, convenient operation, high cost performance and well-known service quality. And integrity is well-known in the market. It is preferred by experimental instruments, packaging machinery, rubber and plastic machinery, medical instruments, food machinery, power stations, design institutes and other industries. It is widely used in the measurement, alarm and automatic control of temperature, pressure, humidity, flow, level, time, counting, electricity, technological process and other parameters. The products have won many honors such as "national new products", "spark" and "zhuanli, it has passed the" ISO9001-2015 "quality management system certification, and its main products have passed the CE certification; the company has also been rated as" Key Industrial Enterprises in Zhejiang Province "by Zhejiang Provincial Bureau of Statistics".