In the year 1990s

The Tian family engaged in concrete hollow slab business.

In 2000

Michael Tian started the diamond tool business in Shijiazhuang city in 2000, and cooperated with a local joint venture factory from Husqvarna Construction Products.

From the year 2007

Corediam has built up the product ranges to diamond blades, grinding cup wheels and diamond core bits.

In the year 2013

Corediam sales networks of exporting diamond tools has rapidly expanded to more than 50 countries, including North America, Europe, Middle East and Southeast Asia.

From the year 2017

the team makes the marketing strategy on Google, LinkedIn, Facebook, Twitter and other social media platform, to let more people know about Corediam.