色狠狠一区二区三区香蕉_国产日韩欧美不卡在线二区_日本少妇人妻xxxxx18免费_国产偷亚洲偷欧美偷精品_精品国产一区二区三区av片

CTTC has established a metrological calibration laboratory with the capability of metrological calibration in the fields of textile, mechanics, chemistry and optics, which has been accredited by the China National Accreditation Service for Conformity Assessment (CNAS). The laboratory has owned a qualified technical metrology team and been equipped with cutting-edge calibration tools and instruments,  which can guarantee the uniformity of measurement values and the accuracy of measurement instruments. It can provide timely and professional services including metrology calibration, related technical consultation, training, maintenance, commissioning, and customer instrument delivery and on-site metrology services to meet the various needs. At the moment, the customers served from CTTC have been covered across the nation, such as inspection and testing institutions, enterprises and institutions, schools, etc.