Sinowon Innovation Metrology Manufacture Limited is one of China's authorized hi-tech manufacturers of metrology instrumentation. Since 2006, they have focused to research, develop and manufacture optical measurement instruments and hardness testing machines. As a manufacturer of quality control instruments, it is very important to have quality control systems in order to supply stable quality products, they have spent a lot of time and investment in staff training and quality system establishment that ensures improvement every year. They have also invested a lot of money to equip their factories with internationally recognised coordinate measuring machines, roughness testers, humidity and temperature chambers, laser machines, glass scales, gauges and blocks for their own internal quality control. At the same time, Sinowon has been verified by ISO9001 quality management organizations every year, and their products have been issued with CE certification for the European market and Gost certification for the Russian market.