Provide a full range of enzyme products and technical solutions
Provide a full range of enzyme products and technical solutions
Provide a full range of enzyme preparation products and technical solutions

National high-tech enterprise Single Champion Demonstration Enterprise in Manufacturing Industry Top 10 Enterprises in China's Light Industry Fermentation Industry Shandong Province "Top 10" Industry Cluster Leaders

View full video +
Gazelle enterprise in Shandong Province
National single champion demonstration enterprises

Company Philosophy: Create the beauty of life

View full video +
Shandong Province Leading Enterprise in Science and Technology Innovation
Top 100 Chinese Light Industry Technology Enterprises

Heart for Good, Together for the Future

View full video +
Top 100 Private Enterprises in Shandong Province for Enterprise Innovation
Gazelle Enterprise of Shandong Province

Innovation and Transcendence, Collaboration and Openness, Mutual Benefit and Win-Win

View full video +
47 Years

Development history

100 Thousand

Annual production of enzyme preparation

50 Remaining

Single enzyme products

300 Remaining

Formulated enzyme products

20 Remaining

Application areas

80 Remainder

National invention patent

Picture Name

About Lonct

Shandong Lonct Enzymes Co., Ltd. was formerly known as Shandong Longda Bio-products Co., Ltd., which was founded in 1976. The company covers an area of 520 mu and has more than 1,000 employees. It has Changchun Branch, Chengdu Branch and Guangzhou Branch, as well as Beijing R&D Center, Tianjin R&D Center and Jinan R&D Center.

View more>
Picture Name


Over the past forty-seven years, Lonct has always been focusing on the research, development and production of enzyme preparations, and has established a global optimization technology from genetic resources, strain platform, fermentation control, clean production, and highly efficient preparations. We have perfect production and management system for liquid fermentation, solid fermentation, plant enzyme extraction, enzyme refining and preparation.

View more>

News Center

Learn about the new developments of Lonct enzyme preparations and obtain new information about the enterprise.


Yu Xuejun, chairman of China Bio-fermentation Industry Association, and his party visited Shandong Locnt Enzymes Co.,Ltd.

On April 2, Yu Xuejun, chairman of the China Bio-fermentation Industry Association, and his team jointly visited Shandong Locnt Enzymes Co., Ltd. with Shandong Locnt Enzymes Co.,Ltd. Have a discussion.


Lonct Company and China Biological Fermentation Industry Association jointly carry out party building education activities

From April 1st to 2nd, Lonct Enzyme Preparation Co., Ltd., together with China Bio-fermentation Industry Association and Shandong Bio-fermentation Industry Association, jointly carried out the party day activity of "learning the spirit of Yimeng and strengthening the original mission".

Vice Governor Chen Ping visited Lonct Company for investigation


Vice Governor Chen Ping visited Lonct Company for investigation

On March 6, Chen Ping, vice governor of Shandong Province, accompanied by Ren Gang, secretary of the Linyi Municipal Party Committee, Wang Jingdong, deputy director of the Provincial Department of Agriculture and Rural Affairs, and Jia Wu, deputy secretary of the Party Committee of the Provincial Academy of Agricultural Sciences, visited the company for investigation.


The 4th Feed Enzyme Technology and Industry Development Conference co-organized by Lonct successfully concluded in Linyi

From March 2 to 4, 2023, the 4th Feed Enzyme Technology and Industry Development Conference, with Shandong Locnt Enzymes Co., Ltd. as a strategic cooperation unit, was successfully held in Linyi, Shandong. More than 800 representatives from scientific research institutions and enterprises attended the meeting.


Lonct Company was rated as "Innovative Enterprise for All Employees in Linyi City"

After several rounds of reviews, Shandong Locnt Enzymes Co., Ltd. was recognized as "2022 Linyi National Innovation Enterprise". On the afternoon of January 12, Wang Jianfeng, secretary of the party group and executive vice chairman of the Municipal Federation of Trade Unions, led a team to the company to award plaques and award bonuses.