"Sincerity, Innovation, Rigorousness, and Efficiency" could be the persistent conception of our enterprise to the long-term to produce together with clients for mutual reciprocity and mutual profit for hengko humidity probe, Sintered Steel Filter, Combustible Gas Sensor, Induction Switch Sensor,Oxygen Gas Sensor. We sincerely welcome friends from all around the globe to cooperate with us within the foundation of long-term mutual benefits. The product will supply to all over the world, such as Europe, America, Australia,India, Doha,Nicaragua, Irish.Upon today, we've customers from all over the world, including USA, Russia, Spain, Italy, Singapore, Malaysia, Thailand, Poland, Iran and Iraq. The mission of our company is to provide the highest quality products with best price. We've been looking forward to doing business with you.