In1999 Established Changzhou Teamlong Plastic Co., Ltd which specially engaged in production of medical and industrial PVC compound.
In 2001 Acquired Changzhou Zhenxing Medical Equipment Co.,Ltd which engaged in manufacturing medical syringe pistons.
In 2006 Established Changzhou Tianyuan Plastic Co.,Ltd which specially sold PVC,DOP,Pe and other chemical materials.
In 2006 Took over Changzhou Econ Pharmaceutical Packaging Co. Ltd.
In 2013 Changzhou Econ Pharmaceutical Packaging Co. Ltd. completed the joint matters with Otsuka Pharmaceutical Co., Ltd. of Japan, and was converted into Changzhou Otsuka Econ Techno Co., ltd.
In 2013 Established Jiangsu Double-Jay Chemical Co.,Ltd.