Our History
Formal establishment
Shandong Ensign Industry was formally founded on April 26, starting professional manufacturing of citric acid, citrate and edible alcohol series products. It has obtained 12 international certifications including ISO9001, laying a standardized foundation for quality production and global operation.
Standardized operation
The company completed the review of regulatory inquiry letters covering revenue, cost, fixed assets and construction projects. Approved for listing on the National Equities Exchange and Quotations on June 30 with the stock code 874071, entering standardized capital operation.
Green & Intelligent Upgrade
Large-scale industrial upgrading commenced, including the 700,000-ton high-end green intelligent citric acid project and the 18MW biogas power generation project. The company further optimized circular economy production and accelerated low-carbon intelligent transformation.
Scale Strength & Honor Accumulation
Boasting an annual output value exceeding 10 billion yuan, a plant area of nearly 2,000 mu and more than 3,000 employees, the company exports products to over 120 countries and regions. It has been honored as a National Manufacturing Single Champion, Top 500 Private Manufacturing Enterprises and National Green Factory.
Technological Innovation Breakthrough
In May 2026, the company filed a new patent for the preparation and application of corn residue protein hydrolysate. Continuous technological R&D empowers industrial chain optimization and deepens core competitive advantages in green biological manufacturing.
