ChongHerr Investments Ltd is an Australia-based company, which is engaged in the quarrying of sandstone and the sale of sandstone blocks, primarily by export to overseas customers. The Company's segments include South-east Asia and Australia. It holds approximately two sandstone mining leases at Helidon, Queensland. It also holds the ownership of the background tenures of over two quarries. Its ML 50013 mining lease covers an area of approximately 130 hectares; ML 50016 mining lease covers an area of over 40 hectares; ML 50213 mining lease covers an area of approximately 40 hectares; Exploration permit EPM 11005 mining lease covers an area of over 230 hectares, and Exploration permit EPM 18112 mining lease covers an area of approximately 2400 hectares. It has a portfolio of finished developments within China, including museums, libraries, Government buildings, residential and commercial estates, and hotels and resorts, all of which are highlighted by their use of Helidon sandstone.