♦ 1994 The company was founded
♦ 2000 The company relocated the site and expanded the production line
♦ 2002 PXE enters the field of insulating oil
♦ 2006 Introduced dibenzyl Toluene production line
♦ 2013 Semi-automated production line
♦ 2014 Cooperated with Matsuura Oil of Japan to enter the heat transfer oil industry
♦ 2015 Fully automated production line
♦ 2015 Established Songzhong Business (Shanghai) Co., Ltd. in cooperation with Japan Matsumura Oil Co., Ltd. and Minghe Industry Co., Ltd.