Global precision gauges

GPG is the modest manufacturer of Plug gauges, Snap gauges, Ring gauges, Width gauges, Measuring pins, Thread gauges(Thread Plug and Ring Gauges of Metric, UNF, UNC, BSW, BSF, BSP, BSPT, NPT, NPTF Cycle Threads, Acme, Buttress, Trapezoidal Other Special in Threads Taper Thread Plug and Ring Gauges), Air gauges(Air Plug Gauge, Air Ring Gauge, Air Caliper, Electronic & Analog Unit) Special Gauges(Relation Gauge, Receiver Gauge, Run-out Checking Gauges, Block Gauge etc.