techniqueand structure,specialisingin the low-noise motor bearings and high-temperature& high-speed bearings whose bore from 10-50mm with p4 precision. with complete manufacturing technique in ott who owns the most advanced worldwide full-automatic superfinishing assembly line equipments,we do fully achieve the man-machine interface from the grinding to the finished products.company established 100,000 level free dust assembly workshop in accordance with the international top requirements, in this way preventing the external environmental factors into the bearing assembling process. as for the heat treatment, ott uses c-a technology which can improve the bearings’s using life around five to ten times than the old way. by now, ott operates withiatf 16949 quality management system and 5s fieldwork management system, what’s more, ott gets the most advanced inspection equipments, which guarantee to produce the motor bearings of high loading, long life and low noise.our factorythe factory area of the company is 20000 square meters, 20 automatic production lines, 75 employees, annual output of 15 million sets of bearings. from material analysis, parts procurement to manufacturing process control, all automated testing and analysis are realized. quality management is implemented in accordance with automotive industry standards, with precision of p5 level and noise level of z3v3 standard. internal implementation of fine management, bom and erp system mature operation, to meet customer quality and delivery requirements.1our productautomobile generator bearings, automobile tensioner wheel bearings, automobile idler wheels, automobile gearbox bearings, agricultural machinery bearings, four-point angular contact ball bearings, double-row angular contact ball bearings, stainless steel bearings, flange bearings, thin-wall bearings, waterproof bearings, silent bearings.2product applicationautomobile, agricultural machinery, electrical machinery, food industrial machinery, braking system, steering system, logistics system, engine and accessories, new energy vehicles, power tools, home appliances, high temperature and corrosion resistant working conditions.