China Zhengzhou Mercury-tech Co.,Ltd. is a high technology and new technology and innovative enterprise. Specially engaged in researching, developing, producing measuring device (Laser diameter measuring device and Length counting device). In 1987, The first diameter gauge in China was developed in Our predecessor Sanli company. The main products are Laser diameter measurement guage, length counter and other measuring equipment, IPC and PLC control systems, CCV line control systems. Products have been widely used in wire and cable, glass, metal pipes, plastic pipes, rubber roller, medical devices, nuclear materials, machinery manufacturing and other industries. It is your ideal choice for improving product quality.