Foshan NORVINA a professional manufacturer of ink viscosity controllers (No need cleaning required). Its widely used in printing, coating, glue, film materials, food, papermaking, petrochemicals and other fields. We provide viscosity solutions for ink and paint to global customers. Our star product is the VISC-PH5000 viscosity control system, which solves problems such as viscosity deviation, dirt handling, color control, etc. for our customers. NORVINA will continue to update our products, so that we always have world-class products and technology in the field of fluid measurement and control.