RTP BATIK77 Welcome To Calsonic Trading Contact Us About Us CALSONIC TRADING base in Johor Bahru, Malaysia. We specializes in measuring instruments such as Microscope, Roughness tester, Thread Gauge, Height Gauge, Profile Projector, Digital Measuring Microscope, Cutting tools & insert. www.calsonic.com.my sales.calsonic@gmail.com H/P: +6016-7531956 Our Products GRANITE SURFACE PLATE / INDICATOR STAND A surface plate is a solid, flat plate used as