
JAMA is a highly competitive company which integrates R&D, manufacture, sale, and service of ball & roller bearings. The car bearing series is one of the main products of JAMA. The product has the advantages of energy saving, lightweight, and flexibility, which has important application value in the fields of the meeting and education. The product improves the efficiency of heat and moisture exchange between the user and the shoe environment and thus creating a breathable and clean feet environment.

JAMA's devotion is to offer the most professional customer service which ranks top in chain sprocket industry. Contact us!