About the Group
since 1989
Qingdao Copton Technology Co., Ltd. founded in 1989 is the first A-share main board listed company in China's lubricating oil industry (stock code 603798); It is one of the top ten lubricating oil enterprises in China.…
![](/themes/mayflower_mobile/Public/images/sv_1.jpg)
![](/themes/mayflower_mobile/Public/images/sv_2.jpg)