[4][5] In July 2017, a joint venture between Zambia Consolidated Copper Mines Investment Holdings and China's Sinoconst was announced to construct a US$528 million 1.85Mta Cement plant at the Ndola Lime Company in Masaiti, with a target to be operational by the first quarter of 2020.

Under a restructuring plan, a successor company, Limestone Resources Limited (LRL), was created in 2020.

[7] In August 2020, there were rumours surrounding the sale of a majority stake of the company to Global Human Benefit Zambia Ltd. (GHBZ) when an article appeared on GHBZ's website.

ZCCM Investments Holdings dispelled the rumour and the article was subsequently removed from the GHBZ website.

[8] ZCCM Investments Holdings owns 100% of Limestone Resources Limited.