Shenzhen Changhong Technology Co., Ltd. (referred to as "Shenzhen Changhong") was established in 2002 and became a high-tech enterprise in Shenzhen in 2018. For over 20 years, we have been committed to the research, development, production, and sales of over a hundred water quality monitoring instruments, including COD analyzers, ammonia nitrogen analyzers, total phosphorus analyzers, total nitrogen analyzers, heavy metals, inorganic compounds, and more. Our product technology involves computer, microcontroller software and hardware, optics, chemical analysis, and other technical fields.

At present, the company mainly produces products such as COD analyzer, ammonia nitrogen analyzer, total phosphorus analyzer, total nitrogen analyzer, turbidity meter, residual chlorine analyzer, copper, iron, nickel, zinc, hexavalent chromium, nitrite, sulfide, iodide, volatile phenol, hydrazine, aniline and other detection instruments for hundreds of substances in water. At the same time, the company also produces instruments for measuring physical parameters in water such as pH, conductivity, dissolved oxygen, turbidity, chromaticity, and total hardness.

Our company's products have been sold to various parts of the world, with over 8000 domestic customers located in more than 20 provinces, municipalities, and autonomous regions across the country. We have also exported to countries such as Thailand, Indonesia, Singapore, and Europe and America, with a total of over 100000 customer partners. We have established a good reputation among our customers and have become a leading enterprise in the domestic water quality testing instrument industry with a complete range of products, stable product quality, and excellent comprehensive performance indicators. The "Shenchanghong" brand has also become the leading brand in China's independent production of water quality testing instruments.

The company has been focusing on product quality management and new product development for many years. The stability, repeatability, and operability of its core products are among the top in China, and its comprehensive performance is close to or even partially surpasses that of foreign brands. More than 8 new R&D products are launched every year. The company's sales are steadily occupying the market with an annual growth rate of over 30%. Shenchanghong is creating its own brand of laboratory water quality testing instruments in China by actively innovating, prioritizing quality, constantly striving, and steadily advancing.