 Our History
ZHEJIANG TONGTAO BEARING CO., LTD. located in Jiashan County which is in the north side of Hangzhou Bay
Sea-Crossing Bridge, covering an area of 15,300 sq.m. OTT is major in the manufacturing fields of Auto altenator bearings, Auto tensioner bearings, Anti-water bearings, Auto power steering pump bearings, Auto alternator bearings, Double Row Contact Bearing, Double Row Contact Bearing etc. Meanwhile, OTT devotes to specail bearings as well as ceramic ball bearings. OTT avails the top world equirements, thchnology, manufacturing
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.
Our Product
Automobile 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.
Product Application
Automobile, 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.
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Production Equipment
Heat treatment, centerless grinding, surface grinding, automatic grinding, superfine machine, automatic assembly line, life testing machine, high temperature testing machine, noise testing machine, metallographic analysis instrument, length measuring instrument, hardness tester.
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Our Certificate
ISO9001 8 PATENTS
Production MarketThe main export market for North America/ Europe/ South Korea/ Japan/ Brazil/ Southeast Asia, and in South Korea, Taiwan, Poland, Italy have OTT bearing agents. Due to the good quality and preferential price of OTT bearings, South Korea GMB, Brazil ZEN, Russia RPAMO, Canada DARCOR, Italy DANA and other international famous companies have been looking for OTT company batch that goods for many years, most of which are host supporting.
Our ServiceWe provide services from design, design - offer scheme - offer price - contract - preparation of materials - manufacturing - inspection - delivery to provide the whole process of service, after-sales service is regularly initiated by the sales department, customers receive the goods within a week by email. If the customer happens to have our local agents, they will immediately respond to the needs of the user.
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Products
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