Zhengzhou Mercury-tech Co.,Ltd is a high technology and new technology enterprise. Specially engaged in researching, developing, producing, and selling non-contact survey device, the laser survey 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, Meter counter, Other measuring equipment, IPC and PLC control systems, Cable cutting machinery, CCV line control ...