Jiangmen Guolong Precision Valve Co..Ltd.is a professional manufacturer with the high quality oven valve,oven stove valve,temperature control valve, pressure reducing valve, constant temperature valve and the burner head,distributor.After continuous efforts for more than 15 years of Guolong,we have developed into a manufacturing enterprises with advanced managerment.The company’s products have been exported to South
America,North America,Europe,Asia and other countries all of the world.  Annual production QTY of various kinds of gas valve,burner head,distributor are more than ten million sets. We had passed the IS0 9001:2015 certification and have our own R&D and testing laboratory.Guolong has the testing laboratory approve by CSA accredited,products obtains CSA and European CE and other international certification.Our products with high quality by the famous international gas manufacturers of favor.