For over a decade, Beijing Zhongkewei He Technology Development Co., Ltd. has been engaged in the research, development, production, sales, and promotion of soil nutrient testers; I have accumulated a lot of experience in using soil measuring instruments and can provide excellent after-sales service for users. Guided by customer needs and with the aim of serving agriculture, rural areas, and farmers; Integrity management and continuous innovation as the concept; Innovate, improve, and enhance the practical functions of soil measuring instruments; Nowadays, Ruilong brand soil nutrient rapid testing instrument has more than ten products with different functions, which can be suitable for different customer needs; Especially the Century 2 series guidance fertilization soil fertilizer tester inherits all the functions of the Hanxian soil tester, and at the same time, adds a voice animation prompt operating system, providing auditory, visual, and hands-on 3D guidance for operation, allowing for easy operation upon hearing and seeing; Color touch screen reduces button misoperation, improves testing speed and accuracy. More importantly, through three years of practical testing and promotion, the proposed supplementary plan for trace elements has been completed, making it a new star among many soil measuring instruments. The Zhongkewei He brand soil nutrient tester can provide comprehensive recommended fertilization formulas based on the fertilizer varieties in fertilizer production plants or agricultural supply stores, whether it is ternary compound fertilizer, binary fertilizer or elemental fertilizer. This plays an important role in improving sales and expanding the sales field for distributors engaged in agricultural supply sales; It is also a capable assistant for fertilizer manufacturers to provide good agricultural chemical services; At the same time, it is also an essential means for farmers' professional cooperatives to produce green agricultural products, increase their income, and reduce investment. It is the wish of the people of Zhongke Weihe to make the Zhongke Weihe brand soil nutrient tester a good mentor and friend in agricultural material sales; Welcome fertilizer manufacturers, friends engaged in agricultural technology promotion, agricultural material marketing, and cooperatives to call for consultation, purchase, and cooperative promotion. All employees of Zhongkawei He will provide you with high-quality after-sales service. Business projects: Sugar hardness tester, food safety tester, water quality analyzer, soil moisture analyzer, plant health detector, soil testing formula fertilizer analyzer, fertilizer composition detector, soil composition detector.