
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.
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.
Send an enquiry to learn more about their capabilities and request custom quotes.