
Marine & Bridge Copper Alloy Components
Shaft sleeves, stern tubes, propeller components and bridge bushings engineered for corrosion resistance and demanding service.
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YUNKAICopper Alloy Electromechanical ProductsSend RFQ ↗
We provide a broad range of copper and copper alloy products for industrial and electromechanical applications, including motor rotor end rings, solid-lubricant self-lubricating bearings, copper profiles, electromagnetic flat wires and custom copper alloy components.
OUR PRODUCTS
From raw material and process planning to final production, we develop components around your drawings, material requirements and operating conditions.

Shaft sleeves, stern tubes, propeller components and bridge bushings engineered for corrosion resistance and demanding service.
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Large-diameter copper and copper-alloy end rings, short-circuit rings and rotor components for industrial motors.
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Heavy-duty split rings, wear plates and copper-alloy bearing components for metallurgical and mining equipment.
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Bushings, liners, bearing shells and wear components for low-speed, high-load operating conditions.
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One technical and commercial interface supports each project from requirement review through production, inspection and export delivery.
Casting, forging, extrusion, drawing, rolling and forming routes selected according to product size and material requirements.
Copper and copper-alloy products can be supported up to approximately Ø3000 mm, depending on material and structure.
Conductivity and resistivity testing available for motor rotor and electrical copper components.
Chemical composition, tensile strength, hardness and dimensional verification according to project requirements.
Solutions for motors, power, marine, bridges, metallurgy, mining and heavy equipment.
Production according to drawings, material grades, dimensions and operating conditions.
PRODUCTION CAPABILITY
Zhengzhou Yunkai Precision Machinery Co., Ltd. focuses on copper and copper-alloy industrial and electromechanical products. We provide motor rotor end rings, self-lubricating copper-alloy bearings, bushings, liners, and components for marine, bridge, metallurgy and mining applications.
Supported by established manufacturing and technical resources, we can provide integrated production support from material preparation, casting and forging to forming, finishing and quality inspection, with customized solutions based on drawings, material requirements and operating conditions.
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Send us your drawing, dimensions, material grade, quantity and application requirements.