1989Hangzhou Dragon Trading Co., Ltd. was established in 1989(cancelled in 2020)
1994Zhejiang Dragon Chemical Co., Ltd. was established in 1994
2005Dragon chemical (Europe) Co., Ltd. was established in 2005
2006The group's R & D center was established in 2006
2007Zhejiang Dragon Technology Co., Ltd. was established in 2007
2011Hangzhou Dragonchem Import&Export Co., Ltd. in 2011
2012Jiangsu Dragon Technology Co., Ltd. was established in 2012
2018Hangzhou HaiTai Test Technology Co., Ltd. in 2018
2019Inner Mongolia Dragon Technology Co., Ltd. was established in 2019
