Year 2023

February 2023 Construction of the new Nanjing Guanja factory began. March 17, 2023 Qingdao Guanja established. July 2023 Dongguan Guanja established.

2022

November 2022 The land title certificate for the new Nanjing Guanja factory was approved. December 2022 Nanjing Guanja was renamed Nanjing Guanja New Materials Co., Ltd.

2020

March 5, 2020 Bengbu Guanja established

2018

December 2018 Nanjing Guanja Second Factory completed

Year 2013

June 2013 Relocated to Sanjiangkou Industrial Park, Longtan Street

2012

May 15, 2012 Chengdu Guanja established