New calibration station with CCD camera and LED screen, can be use for laser products, laser level, optics level, Total Station, Theodolite, etc. More calibration station detail from: http://www.simaisurveyinginstrument.com/Calibration%20Station.html If any body interested or have any questions, please feel free to contact with me. Mr.Lee Sales Manager International Trade Dept. Mob: +86-15656585389 Tel: +86-0551-65420563 Whatsapp: +8615656585389 Linkin: SIMAI SURVEYING INSTRUMENT CO., LTD Mr.Lee Skype: smglee1985 Facebook: http://facebook.com/SIMAISURVEYINGINSTRUMENT Wechat: +86 15656585389 Email:lee@simaisurveyinginstrument.com info@simaisurveyinginstrument.com Website:www.simaisurveyinginstrument.comwww.smartmaxgeosystems.com SIMAI SURVEYING INSTRUMENT CO., LTD ADD:22#2802 RUNYUAN, NO.293 LIANHUA ROAD, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, HEFEI CITY, ANHUI PROVINCE, CHINA. SMART MAX GEOSYSTEMS CO....