Membership in the laboratory by a high level of temperature and humidity environment: Class A: temperature (20 ± 2) in 40% ~ 70% RH with a gauge block comparator, electronic level, length measurement, K level amount ℃, humidity block and a number of imports of high geometric accuracy measuring instruments, able to block the regulation, such as 3, 0 platforms, PIN regulations, three dollars and other geometric precision measurement instruments provide services, but also provide a variety of conventional quasi-gage calibration service (Such as: calipers, gauges, micrometers, thread plug gauge, thickness gauge, altimeter, height, etc.). ◇ gage block calibration items / caliper / micrometer / Scale / altimeter / or thickness gauge ◇ Pin / threaded plug / feeler / color spectrometer ◇ CMM (contact / non-contact) ◇ flatbed / Projector / images secondary yuan ◇ threaded ring / smooth ring gauge ◇ R / fineness board