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Environmental Information Report - Zhejiang Tongtai 2024-3-20
2023 Social Responsibility Report 2024-3-20
Carbon Footprint Report - Deep groove Ball Bearings - Zhejiang Tongtai 2024-3-20
Carbon Verification Report - Tongtai Bearing -2023 2024-3-20
Carbon Verification Report - Tongtai Bearing -2022 2024-3-20
Verification Report - Tongtai Bearing -2021 2024-3-20
OTT begin mass production of Double Row Angular Contact Ball Bearing 5203/5204/5205/5206/5207/5208 with P6 Z3V3 quality till November 2023, and bein to supply for the domestic reducer industry 2023-11-1
OTT obtained the environmental quality system certification ISO14001 in August 2023 2023-8-1
OTT begin mass production of generator bearing 6202/6303 for Belarus construction machinery vehicle from March 2023 2023-3-1
From May 2022, OTT bearing 61811-2RS began to supply to DANA Company in bulk. 2022-5-1
In March 2021, we will continue to develop the tensioner bearings for Toyota vehicles 2021-3-1
In December 2020, we began to develop air conditioning bearings with Mitsubishi
Corporation of Japan
2020-12-1
On October 16, 2020, the company was renamed zhejiang Tongtao Bearing Co., LTD  2020-10-15
In August 2020, the double row angular contact ball bearing was officially put into production 2020-8-1
We sincerely welcome you to visit our booth 3.1K102 at Automechanika (2019.12.3-2019.12.6) 2019-11-29
he website for tensional pulley bearings -- WWW.OTT-BEARING.COM start to use from Oct 12th,219 2019-10-16
2019 Exhibition Plan
Oct 16th-18th,2019 KOAASHOW 2019                                                                2019-09-11
Nov 09th-12th,2019 14th IRAN International Auto Parts Exhibition
Zhejiang ODM Transmission Technology Co., Ltd. - The leader of 2017 Joint Profession visit Zhejiang Tongtao Bearing Company for OEM bearings business.
The first lot of OTT bearings delivered to Syria Automotive parts market in April 2017

The Chairman of Zhejiang Tianma Bearing Group Co.,Ltd. Visit Zhejiang Tongtao Bearing Co.,Ltd. To discuss cooperation .
   
Booth No.:8.1C116 in Automechanika Shanghai(Nov 30- Dec 03th) 2016-11-24
 
OTT factory attend the Mechanical Components & Materials Technology Expo Osaka Oct 05-07th,2016 2016-10-7
 
   
Zhejiang Tongtao Bearing Co.,ltd will attend 2016 China International Bearing Industry Exhibition (Sep 20-23th ),booth number H2-2 – E223 2016-9-7
 
Zhejiang Tongtao Bearing Co.,ltd will attend the Automechanika Frankfurt 2016 (Sep 13-17th ),booth number HALL4.1J61 . 2016-9-7
 
Impression of Jiashan Business- OTT 2016-6-6
 
   
The myor of Jiaxing city Mr.Lou Jianming and The county Party secretary of Jiashan city visit the automatic workshop of OTT factory on May 8th 2016 2016-5-8
 
   
Zhejiang Tongtao Bearing attend Hannover Mess 2016 , booth number HALL5 B48-16 2016-4-28
 
   
ITALCUSCINETTI SRL ,the max distribustion company in Italy, signed the cooperation agreement with Zhejiang Tongtao Bearing Co.,Ltd. On Apr 01st ,2016. ITALCUSCINETTI SRL will buy 10% interests of ITALCUSCINETTI SRL, and will help to develop the sale market in Europe and South Ametica . Zhejiang Tongtao Bearing Co.,Ltd. Will be build as a manufacture of high quality bearing with the new European technology . 2016-4-2
   
Sales agent of OTT bearings in Hunan area set up on Mar 30th.2016, who is the sole sale agent of OTT bearings in Hunan. The office is in Hengyang City in Hunan 2016-4-2
   
Mr.Su Zhongan ,the general manager of ZWZ group Liaoyang Bearing Co.,LTD., visit OTT factory on Mar 18th, 2016 2016-3-22
 
   
2015 outstanding staff of OTT 2016-2-22
 
   
In order to improve the Laboratory Level and Technology level of OTT factory, we signed Cooperation Agreement for Manufacture-Study-Research with Jiaxing University on Jan 19th, 2016. 2016-1-19
   
The president of FLT Polska sp. z o.o. Visit OTT factory on Jan 15th,2016 2016-1-15
 
   
Dec 04st,2015th ,ZHEJIANG TONGTAO BEARING CO.,LTD is evaluated as The County Corporate Centers of Jiashan County . 2015-12
   
Dec 01st,2015th ,ZHEJIANG TONGTAO BEARING CO.,LTD is evaluated as The Small and Medium High-tech Enterprises of Zhejiang Province. 2015-12
   
Alternator bearing 333 & 279 for OEM Alternator bearing TAIWAN market begin to produce in Sep.2015 2015-09
   
Begin to produce electric motor bearing 6207,6208 in Aug.2015 2015-08
   
The second building including office and residence hall is finished in Aug.2015 2015-08
   
Pakistani customer of OTT bearing visit our factory in Jun.2015 2015-06
   
Mass production of High tempreture High speed Alternator bearing 6303 with NSK struction & limit 18000RPM begin in May , 2015 2015-05
   
Mass production of electric motor bearing 6305 begin in Apr , 2015 2015-04
   
OTT factory begin to be the bearing supplier of the top of Korean Automotive brand MANDO company in Mar.2015 . 2015-03
   
The top of Household motor and Industrial motor in Korea SPG company visit OTT factory on Mar 06th,2015 2015-03
   
2014 outstanding staff of OTT 2015-02
 
   
Jan 13-14 2015, Genuine Parts Company (GPC) Shenzheng Office on behalf of American Customer come to our factory for evaluation. 2015-1
   
Jan 13th,2015 OTT water proof & oil leakage proof bearing 6203 passed the test of WJB company, begin to be produced for order. 2015-1
   
Dec.26th,2014 “TONGTAO" performances of College of CIXI Continuing Education For The Aged  2014-12
 
   
Booth No.:N5A56 in Automechanika Shanghai 2014-12
 
   
The second building begin to set up in Nov. 2014 2014-11
 
   
Customer from Chile visit OTT factory on Oct 22th, he is the biggest industrial transmission shaft producer in Chile. During the cooperation from 2004, we have supplied bearings to this customer without quality complain more than 10 years. 2014-10
 
   
WJB(USA)Company visit our factory again on Oct 15th, 2014-10
 
   
Sep 18-21th 2014 China International Bearing Industry Exhibition H2 G136 2014-09
 
   
WJB(USA)Company visit our factory to explore the 6203 program for OEM market on Aug 12th,2014. 2014-08
Our factory have passed the review of TS16949 quality management system, and get the original 
TS16949 quality certification on Aug 15th,2014.
2014-08
We shall start to produce 6203 and 6006 with nylon cage which is used for tensioner pulley in Aug.2014 2014-08
We have automatic prodution line for item 6202 and 6006 which could be mass prodution in July 2014 2014-07
First delivery of substitute for imported bearings 6203,6204,6205 were delivered to Shandong and Guangdong in Mar.2014 2014-03
First order of 6203 for South Korean OEM tension pulley is finished and arrange first delivery in Mar.2014 2014-03
Prepare for the visit of Peer USA company in end of Dec. 2013. 2013-12
South Korean tension pulley user visit our factory in Dec 2013. 2013-12
BBC (USA) and ITALCUSCINETTIS.P.A.(Italy) visit our factory in Oct 2013. 2013-10
90% of 6203 bearings,91% of 6204 bearings,90% 6205 bearings are found up-to-Z3V3 P6 2013-08
Three full-automatic production lines begin to produce bearings:6204,6204,6205 in Jul 2013. 2013-07
The 11000 ㎡ factory building begin to be used fully from May 2013. 2013-05