Mianyang WalthMac Measurement &Control Technology Co., Ltd. is a professional manufacturer who researchs and produces all kinds of measuring and control systems for plastic industry in China. It is also a high and new tech company supported by National Innovation Found. We provide four kinds of measuring and control equipments including Gravimetric Control System, Online Ultrasonic Thickness Measuring System, Gravimetric Blending System and Material Conveying System.