Porous Metal, Sintered Filter, Stainless Steel Filter manufacturer / supplier in China, offering Hengko HK-J9a205 -30~70º C USB Pdf Temperature and Humidity Data Logger, Hengko Hg970 Replaceable Probe -30 to 80 Celsius USB Portable Temperature and Humidity Meter, Hengko Hg970 Replaceable Ss Probe -30 to 80 º C USB Portable Temperature and Humidity Meter for Drying Oven and so on.