Yuhuan Precision Instrument Co., Ltd was established in 1985, located in Yuhuan, Zhejiang, China. We are the biggest professional manufacturer of ink testing instruments in China, and have the powerful technical base and advanced product performance. Since its establishment, the company is gradually growing stronger. It has experienced more than 20 years’ exploration, innovation and regeneration. From the earliest YQM-4A ink printability tester to YQM-4B, the products have been improved with many advanced performance such as good transferring performance, even densities, strong adaptability between the ink quantity and sheets, convenient cooperation. From YQM-1B ink-meter to the current YQM-1C electronic inkometer, the products have already achieved the functions of stable rotation, low noise, figure display, computer printing ink digital printing, viscosity testing and cyber connecting analysis chart of increasing value curve, which contains high technologies. Through continuous technical research and development of the products, the products have been widely popularized and applied by the typographers and relevent industries home and abroad, and it duly fills the gap of this technology in China, meanwhile, its products occupy over 90% of the national market. Now, the company is capable enough to produce high-precision ink testing instruments, which can reach the advanced level worldwidely and be very competitive to those same series of products. At present, the ink-meters and printability testers have been sold to European and Southeast Asian areas, which are enjoying good fame in the international market.