Nanjing KEWO Valve Co., Ltd. is a high-tech enterprise integrating R&D, production, and sales with a complete industrial chain. Under the KEVRO brand, we specialize in laboratory gas systems with products covering gas line design, installation and renovation, fluid technology R&D, pressure reducers, valves, fittings, pipe fittings, instruments and meters, electromechanical equipment, and accessories. With over 20 years of rich experience in gas system engineering design, installation, construction, and renovation, our products are exported to more than 50 countries and regions worldwide, enjoying a wide reputation in the industry.