The quality control over ball & roller bearings is taken using advanced quality control devices and by experienced QCs. A professional QC team has been established. They would test the samples and the finished products in a strict way. Probably the domestic and international quality certificates could convince you.

Xiamen JAMA Bearing Co., Ltd is an attractive Chinese manufacturer focusing on ball and roller bearing R & D and production for many years. According to the material, JAMA's products are divided into several categories, and bearing units is one of them. The rigorous quality control of JAMAoil seal is conducted throughout all production stages to guarantee the dimension and specification is within the tolerance limit in mechanical seals industry. The product is instant-on to full brightness, no flicker, and no buzzing noise. And it has a super high color rendering index (Ra>80), providing pleasant lighting.

Customer satisfaction is of paramount importance here in our company. We will make no compromise on the quality of products and services.