Shandong Lanhong Optoelectronics Technology Co., Ltd.'s main business is the research and development, production of instruments and meters for pesticide residues, food safety testing, soil testing, plant physiology, IoT meteorology, etc., providing comprehensive solutions for agriculture, forestry, meteorology, water conservancy, environment, agricultural product testing and other related fields. Over the years, the company has developed and produced more than 100 types of agricultural specialized instruments and related integrated system solutions, which are sold to various regions. After ten years of hard work, Lanhong Technology has become one of the leading companies in the domestic agricultural information industry. The company has a software product design and development team, focusing on software products with independent core technology and intellectual property rights. Since its establishment, the company has built agricultural instruments and equipment for soil, agricultural meteorology, plant physiology, animal husbandry, and other agricultural ecology and food fields, as well as the construction of an agricultural full process information system. It has become a provider of "big agriculture" full field information instrument solutions covering agriculture, forestry, meteorology, and agricultural product testing. For the government, agriculture related enterprises, new business entities and farmers, Lanhong Technology comprehensively uses the Internet, agricultural Internet of Things, agricultural cloud computing, big data, mobile Internet and other core technologies to focus on agricultural informatization construction, agricultural information services, agriculture related e-commerce, leisure agriculture and other comprehensive services. We worked hard to build and promote the overall solution of "Internet agriculture", new rural e-commerce platform, charming urban and rural leisure agriculture public service platform, rural comprehensive service system construction and other boutique businesses. By integrating modern services, nearly one million farmers can fully enjoy the fruits of modern civilization. The company has established good cooperative relationships with major universities and research institutes, introduced a large number of advanced scientific and technological achievements, and developed numerous high-quality and low-priced high-tech products. Blue Rainbow Technology has been widely used in various industries and has been recognized and favored by customers. Since its establishment, the company has adhered to the principle of people-oriented, customer-oriented, guided customer needs, put customer needs first, and regarded customer satisfaction as the criterion for our work effectiveness, constantly exploring and advancing. Lanhong Technology strives to do well domestically, and we will strive to provide better product quality and more humane after-sales service to our customers, creating greater scientific and humanistic value for society.