1985 resigned from the leadership position of state-owned enterprises and founded Wuhan hanyang adhesive factory.
1993, Wuhan hanyang hongda electric appliance factory was merged, which initiated the merger of state-owned enterprises by private enterprises in Wuhan.
1994 founded Wuhan Haitian industrial group co., ltd. as the chairman and general manager of the company.
1995-2002 took the lead in investing in aquaculture, built the largest crab breeding base in China, and undertook several national "Torch Plan" and "Spark Plan".
In 2000, it invested in the construction of the city's key project "Wuhan Modern Agricultural Production Materials Market" and successfully held the first and second "Wuhan International Agricultural Expo".
In 2003, "Haitian Auto Parts World" was developed and constructed as a municipal key project.
In 2003, it acquired and controlled Wuhan Zheng Da Logistics Co., Ltd.
In 2004, it acquired and controlled Wuhan WorldCom Logistics Co., Ltd..
In 2005, Hubei Jinchi Real Estate Development Co., Ltd. and Wuhan New Power Fuel Company Huimin Bay Coal Yard were acquired.
20 10 acquisition of Taiwan-funded enterprise Wuhan octopus agricultural products logistics co., ltd.
On the afternoon of September 20th, 20 13, Tan, chairman of Haitian Group, drowned while swimming in Lingshui seaside, and the local people found him dead.