We take the heating valves as the leading product structure and to provied a full range of Hvac system design, installation and commissioning solutions. Focus on heating series valves, fully welded ball valves with handle, gear and manual and electric control.Ricks constantly utilize now technologies, new processes, new materials to develop high-quality products. we make science and techonlogy become visible, serving the social. And contribute to energy conservation and emission reduction for the heating industry.