Kunming Toprui Instrument Co., Ltd. is a joint-stock enterprise formed by the restructuring of Kunming Taihe Instrument Co., Ltd. by the Kunming Municipal Government. Its predecessor was the state-owned Yunnan Instrument Factory, a key thermal instrument enterprise of the former Ministry of Machinery Industry, which was well-known both domestically and internationally. Kunming Toprui Instrument Co., Ltd. not only respects the achievements and performance of predecessors, but also pays more attention to the flexible mechanism and spirit of modern enterprise system. With the aim of "establishing oneself, strengthening the foundation, seeking change, and pragmatic dedication", we are striving to shape new brilliance. Kunming Toprui Instrument Company provides various thermal measurement instruments and standard measuring instruments to the domestic market. WRPB standard thermocouple and WZPB standard platinum resistance thermometer have long enjoyed a good reputation in the industry and have been rated as provincial and ministerial level superior products. Various calibration equipment such as WJL-11 high-temperature blackbody furnace, WJL-21 medium temperature blackbody furnace, WJZ-2 thermocouple thermal resistance automatic calibration device, etc. have been widely used in the calibration work of various temperature ranges between -200 ℃ and 3000 ℃ by many domestic metrology calibration departments and large and medium-sized enterprises, making excellent contributions to the country's economic takeoff. WRF-11C/22C multi-point thermocouple thermometer can monitor and indicate up to 22 points of internal combustion engine cylinder and exhaust pipe temperature, and is an essential temperature measurement instrument for various warships, ships, and large self generators. This product is currently active on various ships in the vast rivers and oceans of our country. For various industries, Kunming Toprui Instrument Company provides temperature sensors and display adjustment instruments of various specifications and models, including contact and non-contact types. Yunnan Instrument Factory was originally designed and produced by the General Logistics Department of the People's Liberation Army as a military 80 type five purpose compass. It is now open for sale and can be used for exploration, animal husbandry, forestry, tourism, and exploration activities. The mechanical processing plant of Toprui Instrument Company has rich experience and capabilities in producing various optical, mechanical, and electrical products, and can provide complete services from design, manufacturing to installation and commissioning to the society.