JAMA is a manufacturer of cast iron pulley. From product conception to market promotion, we are at the forefront of our peers. JAMA's ball & roller bearings series contains multiple sub-products. This product functions well. It is able to give out a uniform illumination distribution and provide a shadow-free lighting environment. This product has premium lighting quality mainly thanks to its high CRI. It has the ability to allow users to see the actual color of the items just like at daytime.

JAMAwill do its utmost to serve the customers with the highest quality of oil seal. Please contact.