Our firm has been concentrating on brand strategy. Customers' satisfaction is our best advertising. We also offer OEM provider for Oxygen O2 Portable Gas Detector, Natural Gas Leak Detector, gas detecotr, Combustible Gas Concentration Detector,Methane Gas Monitor. Base within the small business concept of Top quality initially, we want to fulfill more and additional friends within the word and we hope provide the ideal solution and services to you. The product will supply to all over the world, such as Europe, America, Australia,Venezuela, Finland,Poland, Iraq.We always insist on the principle of "Quality and service are the life of the product". Till now, our products have been exported to more than 20 countries under our strict quality control and high level service.