Seven Star Lemon Technology Co., Ltd. is located in Yishui County, the old revolutionary base of Yimeng Mountain, Yishui County, with beautiful environment and rich resources; provincial roads, national roads and highways are criss-crossed, Qingdao Port, Rizhao Port, Lianyun Port have convenient water and land transportation, and logistics advantages obvious. The company has a registered capital of 465 million yuan, covers an area of ​​960 acres, has more than 600 employees, and an annual output of 100,000 tons. The company focuses on the research and development, production and sales of citric acid series products, and the products are exported to many countries and regions. Products include citric acid monohydrate, anhydrous citric acid, sodium citrate, potassium citrate, calcium citrate, high protein feed and granular sludge. The company adheres to the development concept of "innovation, coordination, green, openness and sharing", takes Industry 4.0 as the guide, relies on cooperation with well-known domestic universities for independent research and development, has many cutting-edge core technologies, and adopts international and domestic advanced production equipment and manufacturing processes , Achieve large-scale, automated, intelligent and intensive clean production of citric acid, ensuring excellent and stable product quality. The company adheres to the "scientific, intelligent and digital" management as the foundation and through the integration of the two technologies, has realized the "digital factory" model of digital production, real-time production progress, and related system integration, which has promoted scientific decision-making in production and operation. Strengthen the control of the entire production process and lay a solid foundation for our customers to provide quality products and services. The company is a director unit of China Fermentation Industry Association, a member unit of China Minmetals Chemicals Import and Export Chamber of Commerce, and a member unit of China Food Additives and Ingredients Association. It has successively passed ISO9001, ISO45001, FSSC22000, KOF-K kosher ,IP,SHC HALAL, HACCP, BRC, MUI HALAL and other certifications. It was listed as a key municipal project in Linyi City in 2019 and a major provincial project in Shandong Province in 2020. It was rated as "Top Ten Good Projects in the City" at the 2019 Linyi City Observation Review Conference.　 Seven Star Lemon Technology Co., Ltd. with advanced equipment and manufacturing technology, high-quality professional team and high-quality and efficient service, with the service concept of "customer needs as the center", builds a new situation of cooperation and win-win market with business partners .