The catalogue is for Speed Sensor. Manufacture brief introduction:Located the biggest of auto spare parts industrial zone in wenzhou, specialing on producing Air filter. Have be this field more than 20 years.and capacity of producting 20,000pcs per month.Quality gurantee: 1. 3 testing during the production a. components testing b.unfished function testing c.testing before deliery goods 2. manufacturer and our company will make aggreement on quality gurantee 3. guarantee time from 6 months to two years depend on customer's market , demand and some other factor. 4. Before order accept customer's demand on testing on samples Advantage of ours product: 1. Quality is steady (high quality) 2. Competitive price 3. Quick Delivery term 4. best after services.