Top 5 Manufacturers Of Bronze Bushings in China

Bronze Bushings are a type of high-performance sliding bearing components made of copper-tin alloy as the core base material through casting, sintering, rolling and other processes. With the excellent properties of the material itself and diverse structural designs, they occupy an important position in the industrial field. Its core advantage is reflected in multi-dimensional reliability: The high load-bearing capacity endowed by copper-based alloys can withstand static loads of more than 200N/mm². Their good wear resistance and corrosion resistance enable them to adapt to complex environments such as seawater and industrial dust. Meanwhile, their excellent thermal conductivity can effectively dissipate the heat generated during operation and prevent overheating damage. Depending on the application scenarios, bronze bushings have evolved into a variety of types. Solid bronze bushings achieve long-lasting lubrication through axial lubrication grooves and are suitable for low-speed swinging applications.

The sintered bronze bushing achieves self-lubrication by relying on the oil storage characteristics of the porous base, requiring no frequent maintenance and having a maximum sliding speed of up to 7m/s. The rolled bronze bushing is designed with a rhombic oil cavity on the surface to deal with environmental pollution, and it has both impact resistance and shock absorption performance. These characteristics make it widely used in fields such as automotive suspensions, textile machinery, ship propulsion systems, and wind power equipment. It not only solves the lubrication problems under harsh working conditions such as heavy loads and high and low temperatures, but also becomes a key component for improving industrial production efficiency by extending equipment life and reducing maintenance costs.

Dalon Machinery Co., Ltd.             Website: www.dalontech.com

Dalon Machinery Co., Ltd. (DALON) is a manufacturer and exporter of all kinds of powder metallurgy products for filter, muffler, sliding parts since year 2002.

Headquartered in Hangzhou, China, In Year 2004 invested two production lines for powder metallurgy products offer oil impregnated bushing products and sintered filter silencer application.

All above products can be supplied according to client's special requirements.
Relying on our experienced developing and R&D teams, DALON can always supply good solutions with stable quality and reasonable prices.

Most importantly, we always supply fast and good services in responding and delivery.
We hope to have long-term cooperation relationships with our clients.
If you are interested in any of our products, please do not hesitate to send enquiry to Dalon.
We ensure that you can be totally satisfied with our best solutions!

Our Factory

DALON workshop is located at the downtown of Ningbo City, which is on the coast of the East China Sea. It is only 7km to Ningbo City and enjoys convenient transportation, either by air, sea, or by railway, highways to all parts of the country. Plant covers an area of more than 10,000sqm, owns more than 90 workers with 4 sintering furnace production lines 7x24hours and high precise CNC equipment.

Our products include sintered sinter filter elements, pneumatic components, one-way throttle valve, exhaust muffling throttle valve, muffler, mini governor muffler, sintered stainless steel silencer, sintered filed elements, plastic muffler, plastic porous filter, powder compacting press, sintered bronze base and iron ferrous oil bush, various kinds of sintered gear and self-lubricating bearings. Among which our sintered filter silencer and bushing elements have passed testing by SGS / ROHS / MSDS and appraisal made by experts of the same business with all index reach the business partner in Germany ,USA and Hong Kong.

Yangzhou Xuelong Copper Products Co., LTD
A specialized enterprise specializing in the production of bronze bushings, with a registered capital of 9 million yuan, is located in the Industrial concentration Zone of Jiangdu District, Yangzhou City. The company takes advanced metal mold centrifugal casting technology as its core and is equipped with complete facilities such as vertical and horizontal centrifugal casting machines. It can produce large bronze bushings with a maximum diameter of 1599mm and a weight of up to 1000Kg. The materials cover various grades of tin bronze and aluminum bronze such as ZQSn10-1 and ZQAl9-4. Its products are widely used in industries such as machinery, metallurgy, cement and building materials, mining, and power plants, and are sold to more than twenty provinces, municipalities and autonomous regions across the country. The company has established a complete quality inspection system, providing full-process quality control from rough casting to finished product processing. Particularly in the specialized fields such as copper castings for power and copper bearing shells for cement machinery, it has formed a stable supply capacity, offering supporting services to numerous large-scale mechanical enterprises.

Dongguan Huichuang Copper Alloy Precision Casting Factory

The company mainly focuses on metal mold centrifugal casting and low-pressure suction casting processes. Its core products include bronze bushings, copper tiles, copper worm gears, etc. It can customize blanks, semi-finished products and finished products according to customer requirements. Relying on the manufacturing cluster advantages of the Pearl River Delta, its products are precisely adapted to the working conditions of fields such as ships, punch presses, printing machinery, rubber machinery, and injection molding machines, and have formed a stable customer base in South China. In terms of production control, the enterprise pays close attention to the details of the process. The bronze bushings it produces perform exceptionally well in terms of dimensional accuracy and surface finish. Especially in the mass production of small and medium-sized precision bushings, it has a cost advantage and provides efficient supporting services for mechanical manufacturing enterprises in the region.

Zhejiang Ningbo Hengtai Copper Industry Co., LTD
The company's core competitiveness lies in precision self-lubricating bronze bushings and special working condition products. Its JDB series self-lubricating graphite bronze bushings have inner diameters ranging from 8mm to 300mm. By embedding solid lubricants, they can operate continuously for over 5,000 hours without oil, with a friction coefficient controlled between 0.05 and 0.10. For Marine engineering scenarios, the HSn70-1 tin brass bushings it produces have excellent resistance to seawater corrosion, with a zinc removal layer thickness of no more than 0.1mm per year, making them suitable for harsh environments such as ship propeller shaft systems.

Jiashan Kailitong Oil-Free Bearing Factory

Kailitong Oil-Free Bearing Factory, located in Jiashan, Zhejiang Province, a hub for the bronze bushing industry, is a specialized enterprise dedicated to the production of self-lubricating bronze bushings. Relying on the regional industrial chain advantages, it has developed an efficient production capacity. The company takes bronze bushings and self-lubricating bearings as its core products, integrating the complete production processes such as copper alloy material procurement, precision processing, and surface treatment. It can provide both standardized and customized services. Its products adopt a composite structure with a copper alloy matrix embedded with solid lubricants. They exhibit excellent wear resistance under oil-free lubrication conditions, featuring a low coefficient of friction and a long service life. They are widely used in fields such as textile machinery, printing equipment, and automated production lines. With stable product quality and rapid response capabilities, the enterprise has established a good reputation among small and medium-sized mechanical manufacturing enterprises in the Yangtze River Delta region and has become an important supplier of bronze bushings in the region.