2002,  Penglai cemented Carbide Co., Ltd. established. 

2006-2013, We developed ‘TYD-1250 Pantograph pure carbon slide plate’, ‘ferroalloy composite cemented carbide roll’, ‘Regeneration method of high speed carbide roll ring’ and obtain patents in China. 

2008-2009,we won the Shandong Province Science and Technology Award, Shandong Province small and medium-sized Science and Technology Progress Award. 

2013,   Shandong Tanrio Tool Co., Ltd. established. 

2014-2016,  Be rated as Shandong Province Enterprise Technology Center, Yantai City Science and Technology Center Enterprise and so on 4 honorary titles. 

2016.3.7,  Our company has passed the ISO 14001: 2004 ISO9001: 2008 OHSAS 18001: 2007 three management system certification. 

2016,   Zhuzhou Tanrio Cemented Carbide Co., Ltd. Established. 

2017 to date,  Our company is rated as Yantai cemented carbide engineering technology research center, integrity innovation member unit. 

2018,   Zhuzhou Lucky Line New Material Co., Ltd. established.