Changlong adheres to the business purpose of " win by quality, credibility first", and becomes one of the earlier enterprises through the Trinity international Standard Management System Certification. The output of imidacloprid TC reaches 2,000 tons per year, and its quality meets the high requirements of high-content formulations and seed-dressing formulation;

Obtained the certification of National 3A-Level Enterprise Quality Inspection Agency.

"Tianning" brand acetochlor was rated as Well-Known Brand Product in China petroleum and chemical industry.