Kajang Rocks is a leading supplier of Quarry and Premix solutions to the construction and development industry in Malaysia. Established in 1974, we have grown steadily through the years and began our large scale operations in the quarry business in 1992 and the premix business in 2004.

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About us Specialize in Quarry Mining. Specialize in Quarry Mining. TKN group is a family owned business founded by late Mr. Thang Kiang Nam in 1980s in Ipoh. Its initial core business is quarrying and it has diversified into property development and plantation business in 1990s. In year 2010, TKN group ventured into ground calcium ...