Established in 2001 from its roots in the motorcycle parts industry, SEP has over 10 years experience bringing you top quality aftermarket parts at good prices. SEP is a leading aftermarket parts manufacturer in China, today specializing in stock replacement and performance parts. With past experience, SEP was able to develop more kinds of parts and accessories, insuring a perfect fit and quality for virtually use in every field today. Our product line consists of filters, gaskets, intake pipes, spark plugs,and much more for motorcycle, dirt bike, ATV powersport, automobile, truck, out door equipment, and watercraft. In more recent years we have expanded our product lines to offer machinery parts and others.With warehouses in Shanghai and Ningbo, SEP can offer quick shipping to global market. We also can offer OEM service and make products according to your drawing or sample. Wish us a good cooperation.