Luoyang Longda Bearing Co., Ltd.（LDB-Bearing）was established in 1999 and is located in China’s bearing production base – Luoyang, Henan. The registered trademark is LDB®. LDB Bearing has a product range from 150mm to 4000mm in diameter slew bearing and gear rings, covering the production and manufacturing of various standard and non-standard specifications of slew bearings. LDB Slew bearing and slew drive products have earned ISO9001:2015 certificate and German TUV certification in the year 2019. The entire production process from the entry of raw materials to the delivery of finished products implements strict process control and quality control. LDB slew bearings and slew drives have been exported to 73 countries and regions around the world, including Asian countries, America, Oceania and other regions.

The export footprint covering 73 countries and the cumulative sales of 500,000 sets are the best proof of LDB's product strength. Since its establishment, LDB has been committed to the R&D and production of Spur gear slewing drive. With strict quality control and leading technological innovation, it has created products with core advantages such as high precision, high speed, strong protection, easy maintenance and large load-bearing capacity. From armored vehicles and radar antennas in the national defense and military industry to various rotating platforms such as large robotic arms, palletizers and excavator attachments in industrial production, LDB's Spur gear slewing drive products adapt to diverse application scenarios with stable and reliable performance and meet the personalized needs of customers in different countries. Whether it is harsh working conditions such as high temperature, high humidity and heavy dust, or precision equipment with extremely high requirements for transmission accuracy, LDB products can cope with ease, making it the preferred transmission solution provider for many enterprises around the world.

From deep cultivation in the local market to global layout, LDB has always centered on high-quality Spur gear slewing drive products. Relying on excellent technical strength and a sound service system, it has steadily advanced in the global transmission field. Today, LDB's business footprint has spread to many corners of the world. It has not only established a professional agent network in multiple countries around the world, but also exported products to 73 countries and regions, with cumulative global sales exceeding 500,000 sets. It has won wide trust and recognition from global customers with its strength. The establishment of a global agent network is an important cornerstone for LDB to expand the international market. To enable high-quality Spur gear slewing drive products to reach global customers more efficiently, LDB carefully selects high-quality local partners and builds a multi-regional agent system. These agents all have rich industry experience and professional service capabilities, and can provide local customers with integrated services such as timely product consultation, technical support, installation and commissioning, and after-sales guarantee. They effectively break down geographical barriers, extend LDB's service reach to every cooperative corner, and fulfill the global service commitment of "proximate response and precise service".