The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Xiamen JAMA Bearing Co., Ltd. With no exception, oil seal is also inspected for quality control prior to shipment. This inspection is based on the product's Standard Acceptable Quality Limit specification or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. The Pre-Shipment Inspection helps both ourselves and customers to reduce the potential risk of delivery delay or/and fix or redo products. At last, the product will be photographed to ensure that the order is in perfect condition, complete, and properly packaged for shipment.

JAMA is among those companies specializing in bearing units. chain sprocket series manufactured by JAMAinclude multiple types. And the products shown below belong to this type. The raw materials of JAMAoil seal ring mainly comes from licensed suppliers. The performance and quality of the product have been widely recognized among users.

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