Shen ChangHong 
Shenzhen Changhong Technology Co., Ltd. (hereinafter referred to as "Shenzhen Changhong"), established in 2002, was recognized as a high-tech enterprise in Shenzhen in 2018. Over the past 18 years, the company has specialized in the research, development, production, and sales of over 100 types of water quality monitoring instruments. Our product range includes COD analyzers, ammonia nitrogen analyzers, total phosphorus analyzers, total nitrogen analyzers, heavy metal analyzers, and inorganic compound analyzers, among others, incorporating expertise from computer science, SCM software and hardware, optics, and chemical analysis.
Currently, our product lineup features: COD meters, ammonia nitrogen meters, total phosphorus meters, total nitrogen meters, turbidity meters, residual chlorine meters, and analyzers for copper, iron, nickel, zinc, hexavalent chromium, nitrite, cyanide, sulfide, iodide, volatile phenol, hydrazine, and aniline. We also offer instruments for measuring pH, conductivity, dissolved oxygen, turbidity, color, total hardness, and other water physical parameters.
Our products are distributed globally, with over 8,000 domestic customers across more than 20 provinces, municipalities, and autonomous regions in China, and exported to over 100,000 partners in Thailand, Indonesia, Singapore, Europe, and the United States. Shenzhen Changhong has earned a strong reputation among users and is recognized as a leading enterprise in China’s water quality testing instrument industry, known for our extensive product variety, stable quality, and excellent performance. The “Shenzhen Changhong” brand has become a prominent name in China for independently produced water quality analysis instruments.
The company has consistently focused on product quality management and the development of new products. Our core products are known for their stability, repeatability, and operability, often matching or exceeding the performance of leading international brands. We introduce more than 8 new R&D products annually and maintain a market growth rate of over 30% per year. “Shenzhen Changhong” is committed to becoming China’s leading brand in laboratory water quality analysis through active innovation, prioritizing quality, continuous improvement, and steady progress.
