Shandong Hold Electronics Technology Co., Ltd. researches, develops, and produces water quality testing instruments, biological toxicity testers, online water quality monitors, BOD testers, oil content meters, and other water testing equipment. It is a comprehensive technical enterprise integrating science, industry, and trade.

Our company specializes in the research, development, and sales of instruments and equipment for water quality testing, food rapid testing, plant physiology, meteorological environment, and intelligent Internet of Things. We have established a comprehensive product system across multiple related fields, integrating optoelectronic technology with the Internet of Things and cloud services to provide users with broader applications and in-depth services. We offer integrated solutions for industries such as agriculture, forestry, scientific research, animal husbandry, meteorology, water conservancy, and environmental protection. The company has forged long-standing cooperative relationships with major universities and research institutions across the country, introducing advanced high-tech achievements and developing numerous high-performance and cost-effective high-tech products, which are widely used in various industries and have received recognition and preference from customers.