Tianjin Xinlong Airport Technology Co.,Ltd is the professional manufacturer of surface friction tester in China. The BHM01 friction tester of Xinlong had passed the technical appraisal and test of CAAC in the end of 2008. And we got the Airport Equipment Certificate from CAAC on Dec 22,2008. By now this is the sole vehicle mounted surface friction testing vehicle which get the certificate in China. The BHM02 trailer friction testing vehicle had passed the technical appraisal and test of CAAC in the end of July,2012. And got the Airport Equipment Certificate from CAAC on August 1,2012. In China, from the southernmost and hottest airport(Sanya Airport), to the northernmost and coldest airport(Manzhouli Airport); from flatland airport to highland airport(such as Lijiang Airport,Xishuangbanna Airport,Diqing Xianggelila Airport and Kangding Airport,the Kangding Airport about 4230 meters above sea level.);these successful applications proved HBM series surface friction tester can handle the surface friction test job in all of China's civil aviation field and air force airport field(Wuxi Airport and Beijing Nanyuan Airport both are dual-use airport).We have reasons to believe that our BHM series surface friction tester can provide reliable quality,high reliability, best price and perfect after-sale service for more airport customers, make more benefit for customers.