Shandong Lanjing Electronic Technology Co., Ltd. is a manufacturer of water quality testing instruments and online water quality monitoring equipment. We specialize in the research and development of BOD/COD measuring instruments, multi parameter water quality analysis instruments such as total phosphorus/total nitrogen/ammonia nitrogen/residual chlorine, etc. It is a comprehensive enterprise integrating science, industry, and trade. The company's main business is the research and development, production, and sales of instruments and equipment applied in agricultural ecology, food rapid inspection, plant physiology, water quality testing, meteorological environment, intelligent Internet of Things, and other related fields. It has built a complete product system in multiple related fields, integrating optoelectronic technology with the Internet of Things and cloud services to provide users with a wider range of applications and deep services, and providing comprehensive solutions for agriculture, forestry, scientific research, animal husbandry, meteorology, water conservancy, food and medicine, environment and other related fields. The company has established long-term cooperative relationships with major universities and research institutes across the country, introduced high-tech achievements, and developed numerous cost-effective high-tech products, which are widely used in various industries and have been recognized and favored by customers.