
G.D. ROC Cooling & Heating Equipment manufactures wall-hung gas boilers and gas water heaters, delivering energy-saving heating and hot water solutions engineered for global markets.
G.D. ROC Cooling & Heating Equipment Co., Ltd. develops and manufactures heating and hot water solutions, with a strong focus on gas water heaters and wall-hung gas boilers. The company integrates R&D, manufacturing, and smart home integration to deliver efficient, intelligent comfort for residential applications.
With long-term dedication to product development and service, ROC offers a broad portfolio covering 10 series and more than 80 models of gas water heaters. The range spans classic lines—including Diamond, Emerald, Sapphire, and Ruby series—to high-technology condensing products such as the Platinum Series, providing buyers with flexible options for different market needs.
ROC serves customers worldwide and is trusted across 31+ countries. Its products include CE-certified offerings, supporting international market requirements and long-term cooperation with global partners.

ROC provides integrated heating and cooling solutions, combining R&D, manufacturing, and smart home integration to support efficient, intelligent living.
Send an enquiry to learn more about their capabilities and request custom quotes.
The gas water heater lineup spans 10 series and more than 80 models, covering traditional designs as well as high-technology condensing solutions to suit diverse market requirements.