Chinese construction equipment manufacturer Zoomlion Heavy Industry Science and Technology Development Co. said on Firday that it will invest CNY 2.1 billion ($333 million) to advance development of its environmental and sanitation machinery business.

Zoomlion has planned to set up a wholly owned unit, Changsha Zoomlion Environmental and Sanitation Machinery Co Ltd, to develop, manufacture and sell solid waste treatment machinery and other environmental protection equipment, it said in a filing to the Hong Kong stock exchange.

The unit will have a registered capital of 2.1 billion yuan.