What we are the proudest is our bearing units which combines the creativity and hard-working efforts of our staff. Its quality is indisputable. It is made of high-quality raw materials sourcing from reliable suppliers. To maximize the advantages of the raw materials, we have tested multiple times and conducted several tests based on the chemical substance and physical properties of the materials. High-end machines are also the necessities for ensuring the precision and quality of the finished products. Each part of the product is exquisitely made and tested by our QC team. A mere verbal statement is no guarantee, we sincerely welcome you you to come to visit our company in person.

Over the years, Xiamen JAMA Bearing Co., Ltd has gradually grown into one of China's leading ball and roller bearing manufacturers. The chain sprocket series is available in a wide range of types and specifications. The rigorous quality control of JAMAchain sprocket is conducted throughout all production stages to guarantee the dimension and specification is within the tolerance limit in mechanical seals industry. Without filaments or glass enclosures, the product is breakage resistant and largely immunes to various vibrations and impacts. It is not easy to be damaged.

We make clear commitments to our customers. We try to ensure that every link in the manufacturing chain works seamlessly, from order generation to final delivery and offer the highest-value products.