How to extend steel ball warranty?

If you want to extend the warranty for steel ball , please consult our Customer Service for detailed information. An extended warranty is repair coverage that kicks in after the typical warranty has expired. It is important to note that you have the option to purchase this warranty any time before the manufacturer warranty expires.

Xiamen JAMA Bearing Co., Ltd has a large-scale factory that focuses on the production of bearing wholesalers. The bearing units series is one of the main products of JAMA. All the raw materials of JAMAcast iron pulley are in line with international standards. This product significantly helps release unnecessary impact and stress on parts of people's feet and knees by providing enough stability.

JAMA hopes our oil seal benefits to every customer. Contact us!