Founded in 1989, Rosi Chemical Co., Ltd. is led by experts of the National Thousand Talents Program. Its subsidiaries include: Shanghai LeSi Biological Technology Co., Ltd. (pesticide pharmaceutical research and development base), Jiangsu LeSi Chemical Co., Ltd., Jilin Lesi Pharmaceutical Co., Ltd., Qinghai LeSi Pharmaceutical Co., Ltd. The company is the standing director unit of China pesticide industry association and the drafting unit of national pesticide standard.

The company's existing industrial park covers a total area of more than 1500 mu, and there are more than 1000 employees. The company's production and service scope covers pesticide, pharmaceutical and chemical intermediates and hotel services three major industries. The company pays attention to the comprehensive development of quality and environment, and has passed the IS09001 quality system certification and ISO14001 environmental management system certification.

The company relies on innovation for development and introduces senior talents and high-end technology, equipped with advanced experimental and analytical equipment. With scientific research as the leading role, we constantly develop new products, implement modern enterprise management system, and constantly improve product quality and economic benefits.