About Us

More than 30 years ago, our company was established in Hong Kong to meet the customers growing need for an effective distribution system, which provides products with the best quality and reasonable price. Today, KML has been one of the leading companies to export the various types of products from China to our customers in more than fifty countries and regions. The development of auto parts and after market help KML enter a new stage.

We have also dedicated ourselves to research and development in auto parts and related products. We provide the best solutions for different applications from our Technical Centre. We also conduct comparative test studies for the performance of our products against world class standards.
All KML auto parts are inspected under a sophisticated quality control system, thus their performance and durability are guaranteed. For quality assurance, KML has been ISO9001 accredited since 1999. All KML joint-venture factories and manufacturing partners are ISO9001 accredited too. In addition, regular tests are conducted which prove the materials of our bearings are in compliance with the RoHS Regulations.


We pursue diversification on products. We provide our customers with “One Stop Service” solution by offering a full range of auto bearings and accessories, including Wheel hub bearings units, Tension rollers, Belt pulley, Idler pulley, Water pumps, Belts and all kinds of repair kits and so on. We have also been conducting special projects to tailor for the needs of our customers.

KML has been establishing a worldwide marketing network. We have sales offices and logistics centers in China and overseas, and more importantly, we have exclusive agents and distributors in more than fifty countries and regions. This well-established network assists to bring KML products to the world.

We deal with more than 8000 items and carry over 1,400 pallets of goods in and out every month. The location and capacity of the logistics centre allow us to deliver our products efficiently and effectively to our customers.

KML Milestones

1984 KML Bearing along with Luoyang Bearing Corporation established the first Chinese bearing joint venture factory adopting advanced manufacturing techniques and using automated equipment imported from NTN, Japan .
1985 KML Bearing along with Guangdong PRB Yangchun Bearing Company Ltd. established another joint venture bearing factory adopting new manufacturing technology and importing equipment from Italy and Japan .
1987 KML Bearing established its Research & Development Group, which was set up in Hong Kong to research and develop low noise electrical motor bearings.
1989 KML Bearing developed the first automated clean room, production line for cleaning, greasing and sealing ball bearings. This innovative production line was adopted by the three largest Chinese bearing manufacturers at the time, HRB, ZWZ, LYC as well as other leading sealed ball bearing factories throughout the China . These production lines were also exported to Great Britain and the United States .
1992 The KML brand was registered.
KML Bearing established its third joint venture named Chongqing Changjiang Bearing Industry Inc. This joint venture featured a high level of automation and advanced production management concepts. The main focus of this joint venture was the production of low noise deep groove ball bearings, sealed deep groove ball bearings and other non-standard bearings. The production output of this joint venture topped the Chinese bearing industry.
1997 KML Bearing established their Operation and Logistics Centers in Guangzhou and Shanghai , respectively.
KML Bearing launched its website.
1999 KML Bearing became UKAS ISO-9001 certified.
2000 KML Bearing developed its e-business strategy.
2001 KML Bearing established its visual identification system.
2003 A KML Scholarship was set up in Henan Science & Technology University ;
The KML Technical Center was established and initiated the advanced scientific research projects of applying nanotechnology and water jetting technology.
2005 KML Powertech Ltd. was founded.
KML Bearing USA, Inc. was established in Pottstown , PA , USA .
2008 KML PowerTech Ltd. has been TS16949 accredited
2009 Sunmotion Holding limited (the parent  company of KML) completed  strategic  restructuring, integrating two business  units into one
2010 The development of KML’s water cleaning and water jetting technology  for bearing production made a significant progress.
KML World Wide Operation Headquarter was relocated in Panyu  District of Guangzhou, China.
2011 KML Auto parts department was founded to focus on selling and  development of automotive and truck components.