Flamco  The group focuses on developing, producing, and selling high-quality product components widely applicable to HVAC systems. In over 70 countries& nbsp; Flamco  Provide successful innovative solutions for residential and commercial buildings, as well as sustainable energy issues, including expansion tanks and automatic constant pressure water replenishment devices for heating and cooling systems, safety valves, pressure gauges, connecting components, and other accessories, hot water storage tanks, boilers, and expansion tanks for hot water systems, slide rails, pipe clamps, brackets, and other installation materials for installing and hanging pipelines and radiators