
In a short history, JAMA has developed into a powerful company, focusing on the design and manufacturing of oil seal ring. According to the material, JAMA's products are divided into several categories, and oil seal is one of them. During the developing stage of JAMAcast iron pulley, the researchers try to achieve a multi-layer filter element for absorption and interception which can eliminate most dirt and contaminant. This product is the one that shows off merchandise in an irresistible way. It turns an item into the object of desire through making it stand out.

Our mission is to reduce the impact of our activities on the environment. We take steps to reduce CO2 emissions, waste and improve the recycling rate.

