Being supported by an highly developed and skilled IT group, we could offer you technical support on pre-sales & after-sales support for IP 65 Protection for Gas Sensors, Methane Gas Sensor , Portable Natural Gas Detector , Adding Co2 To Beer ,Porous Stainless Steel Discs . Customers' benefit and satisfaction are always our biggest goal. Please contact us. Give us a chance, give you a surprise. The product will supply to all over the world, such as Europe, America, Australia,Brunei , Panama ,Nicaragua , Malta .We have sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.