Metal Transmission & Wear-Resistance Solutions

Bushings · Bearings · Worm Gears · Worm Shafts · Wear Plates — One-Stop Supply

Providing higher-performance, longer-lifespan component solutions for the global machinery and manufacturing industries

Own Factory — More Competitive Costs
Multiple Product Categories — Custom Sizes / Materials Available
Wear- and Corrosion-Resistant — Suitable for Various Working Conditions
Exported to 30+ Countries — Stable and Reliable Quality

Core Products & Applications

Focusing on three main product lines, covering multi-industry and multi-condition requirements.

High-Strength Zinc-Based Alloy – Lightweight, Wear-Resistant, and Cost-Effective

Zinc-based alloys offer excellent wear resistance and corrosion resistance, with stable dimensions and high molding precision. They are suitable for manufacturing parts that require both strength and precision, and are commonly used in automotive components, home appliance parts, electronic housings, and mechanical transmission structures.

• Precision die-casting and surface treatment
• Cost-effective with fast delivery
• Customizable material composition and dimensions
• Applications: Automotive transmission / precision instruments / mechanical assembly

Inquire About Zinc-Based Solutions

High Conductivity & High Thermal Conductivity – The Outstanding Performance of Copper Alloys

Multiple grades of copper alloys are available to suit different applications, combining excellent electrical and thermal conductivity with high wear resistance and corrosion resistance. They are ideal for use in bearings, gears, bushings, electrical connectors, and heat exchange equipment. High-purity copper materials and advanced machining ensure both conductive efficiency and structural strength.

• High electrical / thermal conductivity
• Multiple grades available, customization supported
• Wear-resistant, corrosion-resistant, stable and reliable
• Applications: Electrical connections / high-speed operation / industrial heat dissipation

Inquire About Copper Alloy Solutions

Self-Lubricating Technology – Maintenance-Free and More Efficient

By embedding solid lubricants into the metal matrix or applying special coatings, long-term low-friction operation is achieved, reducing or eliminating the need for additional lubrication maintenance. Widely used in construction machinery, mining equipment, metallurgical equipment, and conveyor systems under heavy-load conditions.

• Significantly reduces friction and wear
• Customized lubrication solutions based on operating conditions
• Extends component lifespan and reduces maintenance costs
• Applications: Construction machinery / metallurgical production lines / high-speed transmission

Inquire About Self-Lubricating Solutions

Core Factory Strengths

Integrated with R\&D, design, manufacturing, and quality control, we provide customers with efficient and reliable one-stop solutions.

Self-Production & Direct Sales

We operate under a fully integrated self-production and direct-sales model, exercising strict control from raw materials to finished products. This ensures consistent quality and delivers more competitive pricing.

Advanced CNC Machining

Our state-of-the-art CNC machining workshops are equipped for high-precision manufacturing of sliding bearings and a wide range of industrial components.

Professional R&D Team

With extensive industry expertise, our R&D team provides customized designs and technical optimizations tailored to meet diverse client needs.

Innovative Design Capability

We focus on structural innovation and refined product aesthetics, ensuring every item combines superior functionality with appealing design.

Modern Production Facilities

Our modern, well-maintained production environment ensures high efficiency, streamlined operations, and a comfortable workplace for employees.

Awards & Certifications

Recognized with multiple industry awards and authoritative certifications, we are trusted for our quality, innovation, and technical excellence.

Why Choose Us — Langqi

Services

Light Customization

Support customization of logos, packaging, and graphics, enabling customers to achieve quality traceability.
Custom Design Based on Drawings

We support customization according to customer design drawings.
Custom Design Based on Samples

We support customization according to customer-provided samples.
On-Demand Customization

We provide design and customization services based on specific customer requirements.
Cross-Category Product Consolidation

We offer multi-category product consolidation and delivery services.

Quality Control

Raw Material Traceability

All raw materials come with traceability labels for full quality tracking.
Finished Product Inspection

100% of finished products undergo strict quality inspection.
Testing Equipment

Equipped with 2 sets of professional testing equipment.
Raw Material Inspection

All raw materials go through strict inspection procedures.
Quality Traceability Capability

We fully support customers in achieving quality traceability.

Results Speak for Themselves Proof of Our Strength

David Chen

Supply Chain Director Precision Automation Solutions Inc.

“When sourcing cost-effective linear guide sliders and deep groove ball bearings for our automated assembly line, we compared several Asian suppliers. The products from Langqi proved to be consistently reliable in quality and highly competitive in price. More importantly, their delivery speed was impressive, and communication was smooth and transparent. This helped us shorten our new equipment development cycle and effectively control project costs. For procurement needs requiring quick response and cost efficiency, they are a trustworthy choice.” – David Chen, Supply Chain Director, Precision Automation Solutions Inc. (USA)”

Anja Sorensen

Technical Procurement Manager Nordic FoodMachA/S

“Our food processing equipment project in Denmark required a batch of corrosion-resistant bushings in special dimensions and materials, as well as high-precision, low-noise linear sliders. After contacting multiple suppliers, [Langqi] was the fastest to respond and the most willing to accommodate customization needs. Their engineers worked closely with us and quickly provided solutions that met our strict hygiene standards and performance requirements. The sample tests were flawless, and mass production delivery was punctual and accurate. Their outstanding customization capability and professional technical support are the key reasons we chose them for long-term cooperation.” – Anja Sørensen, Technical Procurement Manager, Nordic FoodMach A/S (Denmark)”

Sarah Johnson

Purchasing Manager Industrial Motion Systems Ltd.

“We have been working with Langqi for over two years, purchasing various bearings, bushings, and sliders. From the initial small-batch trial orders to today’s stable monthly procurements, they have consistently maintained high standards. Their products are of excellent quality, available in full specifications, well-stocked, and delivered with an on-time rate close to 100%. Their sales and customer service teams are professional and efficient, always ready to answer our technical questions and process orders promptly. In the industrial components field, it is not easy to find a partner that offers truly comprehensive and reliable service—we are glad we chose them.” – Sarah Johnson, Purchasing Manager, Industrial Motion Systems Ltd. (UK)”

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Metal Transmission & Wear-Resistance Solutions

Main Products

Copper Alloy Bushing

Copper Alloy Worm Gear

Copper Alloy Gear

Self-lubricating Bushing

Zinc Alloy Bushing

Stainless Steel Bearing

Lead Screw Nut

Zinc Alloy Wear Plate