... Description CGA870 brass gas valve,gas valve,gas grill valveWe are specialized in the production of valves for various gas cylinders. Yuyao Jiahua ... manufacture of Medical Oxygen Regulator,oxygen flowmetre, Medical Gas Delivery and suction systems, humidifier varies of pressure ... gauges, reductors, flowmeters, valves, gas cylinder, and their related products.Also we could offer ...