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PMA Graphene Technology Group Inc, formerly Ming Shing Group Holdings Ltd, is a holding company engaged in wet trades works, including plastering, tile laying, brick laying, floor screeding and marble works. To a much lesser extent, it provides small-scale fitting out services, such as renovation works, and engages in trading of wines and spirits. Through its subsidiaries, it is mainly engaged in private sector projects in Hong Kong, involving private residential and commercial developments, while public sector projects mainly involve public residential developments, infrastructure and public facilities developments. The Company operates through two segments: Provision of Wet Trades Works and Trading of Wines and Spirits, with Trading of Wines and Spirits generating the maximum revenue.

RTX is an aerospace and defense manufacturer formed from the merger of United Technologies and Raytheon, with roughly equal exposure across three segments, mostly as a supplier to commercial aerospace and to the defense market: Collins Aerospace, a diversified aerospace supplier; Pratt & Whitney, a commercial and military aircraft engine manufacturer; and Raytheon, a defense prime contractor providing a mix of missiles, missile defense systems, sensors, hardware, and communications technology to the military.