Established in 1995, Guangdong ROC Cooling & Heating Equipment Co., Ltd. is one of the biggest professional manufacturers which independently research and develop gas boilers. ROC specialize in producing wall-mounted gas boilers, integrating research, design, development, production, sale and after-sales service. The products exported to lots of countries and get very good reputation for its good quality and service. ROC has three most advanced exclusive automatic production line and the ...   |