In 1982, Linyi steel casting factory was established, and Ping Xianzhong was the workshop director

In 1983, it began to develop the production of crusher hammers with high chromium cast iron hard block and alloy steel casting process

In 1984, the research and development of dual liquid and bimetal composite castings were carried out

In 1985, "research and application of high carbon and medium carbon high chromium cast iron" won the second prize of science and technology progress in Linyi area

In 1985, it was successfully applied to lining plate of large ball mill and hammer head of hammer crusher, opening up a new application field of wear-resistant materials under high stress abrasive wear and impact wear conditions.

In 1986, it passed the scientific research appraisal of "Research on bimetallic composite casting materials and technology of white cast steel"; The third branch was established, and Ping Xianzhong was the director of the branch

In 1987, he won the first prize of science and technology progress in Linyi region and the third prize of science and technology progress in Shandong Province. Linyi special steel plant was established, and Ping Xianzhong served as the technical director

In 1988, he won the third prize of national science and technology progress award

In 1989, it mainly produced grinding balls, lining plates, bimetal hammers and other products

In 2004, Linyi special steel plant went bankrupt, Linyi TianKuo Casting Co., Ltd. was established, and Ping Xianzhong was the general manager

More than 5000 tons of bimetal composite hammers are produced and sold in 2006

In 2011, it was rated as one thousand key enterprises in China foundry industry by China Foundry Association

In 2014, it was awarded as the second "special, refined and new" advantageous small and medium-sized enterprise in China's foundry industry

In 2015, Linyi enterprise technology center and Linyi wear resistant steel casting new material engineering technology research center were established

In 2016, it won the Linyi standard innovation contribution award (lybz2015-13), the second prize of Linyi science and Technology Progress Award (jb2016-2-7), and the third batch of foundry access enterprises in 2016 (No. 0306260518)

In 2017, it won the "science and technology innovation platform of Shandong enterprise technology center" approved by the provincial economic and Information Commission, and won the Linyi standard innovation contribution award

In 2018, Linyi city was listed as a "four hundred" demonstration enterprise for the transformation of old and new kinetic energy, and was rated as a "special, refined and new" advantage enterprise by China Casting Association. It won the Linyi City standard innovation contribution award, and cooperated with Hefei Institute of intelligent machinery, Chinese Academy of Sciences to develop "intelligent casting equipment system", so as to improve the level of enterprise automation and intelligence.

In 2019, it will be rated as "national high tech enterprise"

In 2020, it will be rated as "Shandong gazelle enterprise", "Shandong high quality brand", "Shandong famous brand" and provincial specialized special new enterprise

At present, Linyi TianKuo Casting Co., Ltd. has relocated a new factory with a production capacity of 30000 tons. It has jointly developed * wear-resistant castings such as large hammer for crushing automobile, autogenous mill and semi autogenous mill liner with Jinan University and Shenyang Foundry Research Institute. It has entered the trial production stage. It is believed that Linyi wear-resistant material industry will usher in new development opportunities.