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Promise Quality, Science and Technology Create the Future

GD ROC COOL AND HEAT EQP LTD was established in 1995. It is located in the south of Guangdong beautiful coastal city- Zhanjiang. It is a high-tech enterprise specializing in the design, research and development, production and sales of wall-hung gas boilers in China.20 years of dedicated research and 20 years of hard work have laid down the strength and status of ROC. ROC has obtained ISO9001 international quality system and ISO14001 international environmental system certifications. The core components of the company's products have obtained national invention patents. All products have passed EU CE certification and obtained British water WRAS certification. ROC has been awarded the “Top Ten Wall-Hung Gas Boilers” by the China Civil Engineering Society Gas Branch for two years. It is a foreign-invested advanced technology enterprise and high-tech enterprise. Obtained the honor of Chinese Famous Brand, Chinese Market Quality and Reputation Both Excellent Well-known Brand . ROC wall-hung boiler distribution network has been established in 31 countries around the world, with an annual production capacity of more than 500,000 units. Nowadays, ROC has become an influential professional manufacturer of wall-hung gas boilers in China, and its R & D capabilities and technical level have taken the lead in China's wall-hung boiler industry.


Focus on wall-hung gas boiler


Service Outlets


Export Countries


Machine Production

Because of focus, then professional

 ROC has been focusing on wall-hung gas boilers for 20 years, and believes in "Professionalism Because of Dedication". The company has always adhered to the core concept of "Quality is company life", adhered to the design requirements of "Stability, Safety, Energy Saving and Environmental Protection" and the service standard of "Warm Heart, Warm Home", and is committed to creating products of "High Efficiency, Low Emissions and Low Noise”.The company has advanced technology and equipment: CNC full-automatic testing instruments; automated production lines; digital full-automatic product testing and inspection equipment for tracking, judging, and recording. It also has advanced technical research and experimental centers for designing and testing new wall-hung boilers in accordance with international standards. ROC has implemented the ISO9000 quality management system model since 2003, and has carried out systematic and strict process control.The integrated production process of ROC wall-hung boilers has brought very convenient conditions for product quality control, which can be used for product development and mold making. Each link of the material processing, parts production and processing, product assembly, packaging inspection process,can be performed direct and effective quality control and taken fast and effective solutions. In each process, ROC has set strict quality inspection and control.And each product must undergo 15 intelligent tests including comprehensive noise test, weather resistance and antifreeze test. Rigorous production and quality control have made ROC products obtain CE certificate, EU GOST-R certificate, ISO9001, ISO14001 certificate, etc., and have been widely recognized by customers. ROC has also introduced advanced international production technology and improved it to produce products suitable for the Chinese market and consumers. It has also worked closely with engineers from Russia, Germany and other countries to continuously improve product quality and product technology. The production design and production process are fully computerized, and advanced design software such as mechanical 3D, mechanical engineering drawings and electrical are used, and computer simulation analysis is performed on power, fluids, and circuits etc. 

Assured Product , Intimate Service!