"Based on domestic market and expand overseas business" is our improvement strategy for Hydrogen gas filtration, Temperature Relative Humidity Sensor , Portable Hydrogen Gas Detector , Explosion Proof Gas Detector ,Soil Moisture Hygrometer Detection Humidity Sensor Module . We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development.We strongly believe that we can do better and better. The product will supply to all over the world, such as Europe, America, Australia,Zurich , azerbaijan ,Jordan , Sri Lanka .After years of development, we have formed strong ability in new product development and strict quality control system to ensure excellent quality and service. With the support of many long term cooperated customers, our products are welcomed all over the world.