Established in 1995, Ningbo Zhenhai Silver-Ball Bearing Co., Ltd. is a specialized manufacturer of high precision bearing with our registered brand of NZSB.After 20 years’ development,NZSB has become one of the largest bearing manufacturers in terms of the highest quality and scale in China.NZSB bearings are widely used in air-conditioner motors,vacuum cleaner motor,various household appliance,automobile,low noise motors, electric tools,industrial motors,telecommunication devices,textile industry etc. The annual capacity is more than 400 million sets.NZSB has two manufactu rring facilities in Ningbo, one in Anhui and seven domestic sales offices,one exporting office and one R&D center.NZSB bearings exported to more than 100 countries and regions including Europe,USA, Australia,Middle East,East Asia etc. NZSB committed to utilizing the advanced manufacturer technologies to produce the highest quality bearings needed for our customers.Our manuf acturing facilities that are carefully monitored utilizing in-line statistical process controls and complying with ISO9001:2008 and TS16949:2009 standard.The precision and life of NZSB bearing is greatly improved.NZSB is ISO14001:2004 certified and all the material NZSB use are complying with European Union RoHS requirement,dedicating in protecting natural resources and lightening environmental burden.NZSB bearings become to the preferred products to replace import one on the domestic market.
Established in 1995, Ningbo Zhenhai Silver-Ball Bearing Co., Ltd is a private enterprise integrating R&D, manufacturing and sales of high-precision series ball bearings.
In September 1995：company’s predecessor, Silver-Ball Bearing Factory was established; the nature of the company is private
In October 1995: it became the first domestic company that successfully developed high-speed bearings for vacuum cleaners
In November 1999：It obtained ISO9001:1994 quality certification system
In March 2000：the company name was changed to Ningbo Zhenhai Silver-Ball Bearing Co., Ltd.
In May 2001：Silver-Ball Bearing passed the EIR of the relocation project construction project
In May 2003：it was rated as “Zhejiang Bearing Industry Quality Product and Honest Enterprise” by Zhejiang Industrial Bearing Association
In November 2004：it passed the EIR of the plant expansion project
In December 2004：founded Ningbo Silver-Ball Small Bearing Co., Ltd.
In August 2006：it passed the ISO1400:2004 environmental management system certification
In September 2006：“NZSB” trademark was rated as a well-known trademark in Ningbo
In January 2007：it passed TS16949:2002 certification
In May 2008:was named "Zhejiang Green Enterprise"
In January 2009:it passed the EIR of the current situation assessment of the Silver-Ball Bearing construction project
In March 2009:it was approved as "Zhejiang Integrity Enterprise"
In July 2009:developed bearings for spinning machine and entered the textile industry
In September 2009:it became a strategic partner of Panasonic Automotive Motor Business
In August 2010:Anhui Silver-Ball Bearing Co., Ltd. was established
In February 2012:Bearings of “NZSB” were rated as Ningbo famous brand products
In February 2012:
it was rated as a three-level safety standardization enterprise
In August 2012:the registered capital of Anhui Silver-Ball Bearing Co., Ltd. increased to 15 million
In November 2012:it was recognized as "Ningbo Science and Technology Enterprise"
In December 2012:it was recognized as "Ningbo Credit Management Demonstration Unit"
In October 2013:it was awarded the honorable title of "national high-tech enterprise"
In December 2013:it established Ningbo Engineering Technology Center
In February 2014:“NZSB” became a famous trademark in Zhejiang Province
In October 2015:Set up a provincial bearing R&D center
In January 2017:it was rated as an advanced unit of public security in Ningbo
In May 2017:signed a strategic partnership agreement with Nidec, the world's number one motor manufacturer, and became a strategic priority supplier
In February 2018:The EIR of the annual production of 30 million sets of automobile brake bearings production technology transformation project of Silver-Ball Bearing passed
In November 2018:the EIR of the technical transformation project of annual production of 50 million sets of silent bearing production line of was submitted and approved
The enterprise has a total of 70 patents, including 4 patents for invention, 64 utility patents, and 2 design patents.
Silver-Ball Bearing puts a special emphasis on the understanding of customer requirements and applications, and adopts targeted optimization design according to customer requirements in the early product design.
Silver-Ball Bearing has an annual manufacturing capacity of 1 billion sets, and large-scale manufacturing can bring considerable cost effects.
Strict raw material control, high-standard internal control system and process requirements enable Silver-Ball Bearing’s products to meet multiple technical requirements such as long life, low noise, sealing, high temperature and high speed, and low starting torque, therefore, the enterprise has a very comprehensive mature solution and experience in the bearing application field.
Silver-Ball Bearing can provide customers with the development and production of non-standardized products of different sizes, different application scenarios, and different materials.
Silver-Ball Bearing can provide domestic and foreign customers with high-quality and efficient services, including pre-sale consultation, product design, after-sales service, etc.
Silver-Ball Bearing is located in Ningbo, a port city in the Yangtze River Delta, with convenient sea, land and air transportation.
Japan, Germany, Italy, Poland, Turkey, the UK, Singapore, Malaysia, South Korea, India