Shenzhen Huashengchang Technology Industrial Co., Ltd. (CEM) was established in 1991. It is a high-tech enterprise integrating professional independent design, research and development, production and sales of various measuring instruments and meters. It is the president unit of Shenzhen Instrument and Automation Industry Association, the vice chairman unit of China Indoor Environmental Purification Industry Alliance, the vice chairman unit of Guangdong Indoor Environmental Sanitation Industry Association, the "Infant and Toddler Indoor Air Quality Classification" standard and the "Filter Air Purifier" The standard participating unit of Particle Purification Performance Grading is the drafting unit of the national standard of "Infrared Human Surface Temperature Rapid Screening Instrument".

Huashengchang has always adhered to quality first, continuously improved the company's management system, and gradually established a complete product quality management system. Since 2004, it has passed ISO9001 quality certification and ISO13485 medical quality system certification to meet customers' requirements for product quality.

Since its establishment, Huashengchang has carried forward the spirit of continuous innovation and has successfully developed infrared thermal imagers, particulate PM2.5 air quality detectors, laser rangefinders, non-contact human thermometers, industrial infrared thermometers, digital Multimeter, digital clamp meter, power tester, illumination meter, noise meter, anemometer, gas detector, alcohol tester, formaldehyde tester, coating thickness gauge, industrial endoscope, differential pressure gauge and multifunctional test Instruments and other products with independent intellectual property rights; at the same time, new technologies are constantly being created, and currently hundreds of valid patent rights are owned at home and abroad. The products are widely used in professional fields such as electricity, HVAC, fire protection, petrochemical, smelting, electronic manufacturing, rail transit, environmental governance, etc., and are deeply trusted and well-received by customers.