• About Us

slewing drive manufacturer



Luoyang Longda Bearing Co., Ltd. is situated at the city of Luoyang, the ancient capitals of Nine Dynasties,which is specialized in designing,developing producing and selling the large-size,extra-large-size,slewing , non-standard and other special bearings.

With advanced science and technology, the company develops and manufactures various kinds of bearing products with inner diameter of over 100 mm according to the national standard,such as large-size and extra-large-size deep-groove ball bearings,angular contact ball bearings,single,double and four-row cylindrical roller bearings,spherical roller bearings,single,double and four-row tapered roller bearings,spherical ball bearings,thrust ball bearings,thrust roller bearings,slewing bearings,and split bearings.With a trade-mark of LDB,the products are widely used in the fields all over the country, such as port,machine tools,mining,metallurgy,power industry,medical,heavy machinery,coal machinery,cement machinery,petroleum exploration as well as national defence industry.With the right to handle the export,LDB’s products are exported far to some foreign countries and the company has been established a long-term trade-cooperative relations with the customers in India,Korea,Taiwan and other countries and regions.

Direction of Development

The company’s development direction and strategy in the near future and in the next 3 to 5 years:
Focusing on CSP turntable bearings, solar photovoltaic power generation rotary drives, and industrial automation straight-tooth drives, we will comprehensively develop and produce turntable bearings and rotary drives, and steadily improve product quality, gradually reaching the international advanced level. In the future, it will increase investment in straight-tooth drive technology research and development and expand its marketing network. It will also introduce rough forging projects, add CNC 4-meter vertical lathes, large-scale CNC milling equipment and surface hardening equipment to improve production efficiency, increase production value by 5 times within five years, and sales revenue of up to 100 million yuan.

Technical Certification


  • Pre-sale:

    We produce and process according to the model selected by the customer, and we can also customize the product according to the actual demand, or upgrade the existing rotary structure of the host.

  • Sale:

    · Progress control: The company has established a standard production management system in accordance with the requirements of the ISO9001-2015 international quality management system. Each production process is strictly controlled in accordance with the management system to ensure that the product can be completed within the agreed time.

    · Quality control: The company conducts product quality control in strict accordance with the requirements of the ISO9001-2015 international quality management system. Every processing procedure from raw materials to finished products is tested, and detailed written records and reports are formed to facilitate each The quality of a product can be controlled and tracked.

    · Packing and delivery: The products that pass the inspection must be cleaned, greased, coated with anti-rust oil, and packed, and then packed into fumigation-free wooden boxes, and logistics and transportation are arranged according to customer requirements.

  • After-sales:

    · Warranty time: Our product warranty time is 12 months.

    · Installation consultation: In order to better ensure the normal operation of the product and answer questions raised by users in a timely manner, our engineers can provide technical consultation services such as installation and maintenance during the installation and use of the product.

    · Satisfaction survey: The company has special personnel responsible for receiving and collecting user complaints and consultation information to ensure that the requirements and problems raised by users can be dealt with in a timely manner, and the processing conditions are tracked. Regularly conduct satisfaction surveys to users, and establish user files to record product usage, so as to provide a basis for future product quality improvement. We will continue to work hard, keep improving, and provide customers with satisfactory products and services.

Our products have been exported to 73 countries and regions

Market Area

Area Countries and regions
Asia Oman, Afghanistan, Saudi Arabia, Syria, South Korea, Japan, Thailand, Malaysia, India, Indonesia,  Iran, Pakistan, United Arab Emirates, Philippines, Lebanon, Bangladesh, Singapore, State of Qatar, Vietnam, Hong Kong and Taiwan.
European Italy, Germany, Spain, Netherlands, Czech republic, Slovakia, Belgium, Macedonia, UK, Bosnia and herzegovina, Finland, Estonia, Portugal, Turkey, Ukraine, Russia, Lithuania, Latvia, Slovenia, Romania, Norway, Poland, Sweden.
Latin America Brazil, Uruguay, Guyana, Chile, Argentina, Peru, venezuela
North America USA, Mexico and Canada
Oceania Australia, New Zealand
Africa Egypt, Nigeria, South Africa
Total:  73 countries and regions