Jiangsu TengLong Group 

       The Group is located in Dafenggang Petrochemical New Materials Industrial Park and Dafeng District Xituan Industrial Park, in Yancheng City, Jiangsu Province. It is a comprehensive group company with biological pesticides, medicine and environmental protection water treatment as the core, involving new chemical materials and international trade. The group has built enterprise academician workstation, Jiangsu provincial enterprise technology center and other research and development institutions, passed the national high-tech enterprises, Jiangsu provincial specialized special new enterprises identification. 

       Development History
       In 1989, the company was established (original Dafeng Pesticide Factory).
       In 1994, Yancheng Tenglong Chemical Co., Ltd. was established on the basis of cutting contract of Dafeng Pesticide Factory.
       In 1997, restructured into a joint-stock entity.
       In 1999, in cooperation with the Institute of Elements of Nankai University, we developed Thifensulfuron, a highly effective herbicide to fill the gap in China, and built the world's second largest Toluenesulfonylurea herbicide production base.
       In 2003, Approved by Jiangsu provincial enterprise technology center.
       In 2005, Jiangsu Tenglong Biological Pharmaceutical Co., Ltd. The capital and shares were increased to 30 million yuan to establish Jiangsu Tenglong Industrial Group. Jiangsu Tenglong Education Development Co., Ltd. was established to devote itself to the construction of vocational education and build a comprehensive vocational education school with 10,000 students.
       In 2008, in response to the call of the government, was moved into the Dafenggang Chemical Park to build a new environmental priority pesticide production base. Jiangsu Tenglong Investment Development Co., Ltd. was established to coordinate the operation and investment of the group. United Environmental Water Treatment (Dafeng) Co., Ltd. was established in cooperation with Singapore United Environment Co., Ltd. to serve the comprehensive sewage treatment of national first-class port - Dafeng Port Chemical Park.
       In 2009, With Tsinghua University, Tongji University, Shenzhen University and other institutions of higher learning to implement the national "863" program projects.
       In 2010, Invested and established Inner Mongolia Tenglong Bio-Fine Chemical Co., Ltd. in Wuda District, Wuhai City, Inner Mongolia Autonomous Region to build the advantages of the group's joint development between Jiangsu and Inner Mongolia.
       In 2011, Jiangsu Tenglong Biological Pharmaceutical Co., Ltd. passed the national high-tech enterprise identification. The company cooperated with academician Cai Daoji of Nanjing Institute of Environmental Science, Ministry of Ecology and Environment, to establish Jiangsu
       In 2012, Acquired Yancheng Suhai Pharmaceutical Co., Ltd., and implemented the transformation and upgrading of the pharmaceutical industry.
       In 2013, Shanghai Tenglong Chemical Co., Ltd. was established to seize the development opportunities of Shanghai Free Trade Zone.
       In 2014, Jiangsu Tenglong Biological Pharmaceutical Co., Ltd. passed the international chemical weapons inspection. Yancheng Suhai Pharmaceutical Co., Ltd. has passed the national GMP certification and FDA certification.
       In 2015, the company undertook the implementation of Jiangsu Province key research and development plan (industrial foresight and common key technology) project - development and application of catalytic wet oxidation pretreatment technology for high-concentration and high-phosphorus wastewater (200 tons/day Dimethoate mixed wastewater).
       In 2016, carried out research and development of plant-derived pesticides and other reserve products to accelerate the adjustment of product structure.
       In 2017, the Group Party organization was upgraded and the CPC Tenglong Industrial Group Committee was established. United Environmental Water Treatment (Dafeng) was a joint venture with Citic Group.
       In 2018, United Environmental Water Treatment (Dafeng) Co., Ltd. took the initiative to respond to the spirit of the provincial government documents and took the lead in implementing the first-level A bid upgrading project along the river and coast.
       In 2020, Jiangsu Tenglong Biological Pharmaceutical Co., Ltd. successfully passed Jiangsu Province safety and environmental protection special improvement acceptance.
       In 2022, implemented a new quality leapfrog from chemical pesticides to plant source pesticides, and the plant source pesticide "good result" horseradin was tested, demonstrated and promoted in major green ecological and efficient facility agriculture and strawberry bases in Beijing, Shanghai, Jiangsu, Hebei, Liaoning, Shandong, Henan, as well as high-end vegetables, big ginger and other crops.
       In 2023, the company took advantage of comprehensive chemical resources to transform and upgrade into the field of new chemical materials. The carbon nanotube project with an annual output of 3,000 tons (phase 1 of 1,500 tons) was completed for trial operation.
       In 2024, Jiangsu Tenglong Biological Pharmaceutical Co., Ltd. was recognized as a specialized new small and medium-sized enterprise in Jiangsu Province.