Detailed Product Description "XZ"PDQ-400 nozzle tester of Taian Xingzhou Experimental Equipment CO.,LTDIntroduce: Our highly efficient injector nozzle tester is made available at best competitive prices. We are widely exporting to places like Canada, USA, Tanzania, Indonesia, Singapore, South America and Middle East. Main ButtonA: Internal pressure meterB: Air supply meterC: Air supply throttle - ...