1969：Ylchang Machine Tool Factory was established

                                            1996：pany was Hubei LiDi Machine Tool Co.，Ltd

                                            2006：Reformed from state-owned enterprises to private enterprises

                                            2015：Incorprating Tianqi Stock（002009）

                                            2017：Miracle Li Di（Hu bei）Environmental Protection Technology Group Co.，Ltd established

                                            2018：5manufacturing bases and 8 service companies

                                            2019:Invest 115 million USD to build Miracle LiDi Indurtry Park