... . It mainly produces gas cylinder valves, gas pipe valves, industrial gas decompressors, civil liquid gas boosters, brass ball valves and ... and it became popular since then.. Yuyao Jiahua Medical Appliance Co.,Ltd is a Chinese company of having real strength. We specialized ... exported to Taiwan, Thailand, Vietnam,Middle East,Canada,Spain,TurKey, KSA,Oman,Iran and south Asia .We have gained a lot of ...