Our company specialized in developing, manufacturing and exporting Instruments&test meter and miniature air/water/vaccum over the years, we have builded an excellent reputation for quality and competitive price, with good sales supporting, our head office located at H.K, subsidiary in Shenzhen city. our main products covers: digital thermometer, sound lever meter,Infrared thermometer, gas analyzer &detector,ph meter pdataloggers, manometer/pressure meter, tachometer, humidityu/temperature meter,light/lux mete, water/air/vacuum pump with optional DC 6/9/12/24/110/220V motor. as a many years of exporter, we are always committed to source you the high quality products for you and your customers with competitive price, good service,we honestyly wecome you to contact us.