♦ 1994 – Establishment of the company

♦ 2000 – Company relocation and expansion of production line

♦ 2002 – PXE enters the Insulating Oil market

♦ 2006 – Introduction of the Benzyl toluene production line

♦ 2013 – Production line achieves semi-automation, the first case in the industry

♦ 2014 – Collaborates with Matsumura Oil Japan to enter the heat transfer oil industry

♦ 2015 – Production line achieves full automation

♦ 2015 – Collaboration with Matsumura Oil Japan and Meiwa Corporation Japan to establish Songzhong Trading (Shanghai) Co., Ltd.

♦ 2016 – The company's development strategy and planning through the acquisition of Jiangxi Tianyi Special Oil Co., LTD. It also introduced the product technology of Yantai Jinzheng to Jiangxi Tianyi for production, successfully achieving an annual output of over 10,000 tons for PXE, PEPE, MBT, DBT, and M/DBT series products, further consolidating its market position.