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Design & Engineering

From concept to production, Longwang makes your designs manufacturable. 

Why Choose Longwang Design Services?

We bridge the gap between innovative design and practical manufacturing.

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Design for Manufacturing

Longwang’s engineering team optimizes product designs for manufacturability, helping customers reduce production costs, improve efficiency, and accelerate the transition from concept to production.

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End-to-End Support

From initial design evaluation to machining, assembly, and final delivery, LW provides complete manufacturing support to ensure stable quality and a seamless production experience.

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Precision-Driven Solutions

Backed by advanced CNC equipment and over 20 years of manufacturing experience, Longwang delivers precise, reliable, and scalable solutions for demanding industrial applications worldwide.

What We Offer

Design and engineering support to help you turn ideas into manufacturable products.

Industrial Design (ID)

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Concept Development

We transform early ideas into manufacturable product concepts, balancing functionality, aesthetics, and real production feasibility effectively.

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Design Visualization

Our team creates clear visual models to validate appearance, structure, and user interaction before engineering development begins.

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Mechanical Structure Design

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Structural Engineering

Experienced engineers develop robust internal structures ensuring stability, durability, and compatibility with mass production processes.

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Assembly Integration

We design components for seamless assembly, reducing complexity and ensuring smooth integration across manufacturing stages.

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CMF Design

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Material Finish

We recommend suitable surface treatments such as anodizing, coating, and polishing to enhance durability and product appearance.

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Aesthetic Matching

Color, material, and finish are optimized together to achieve consistent visual identity and high-end product presentation.

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Cost Estimation & Design-to-Cost

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Cost Analysis

We evaluate production costs early using in-house manufacturing data, helping clients control budgets effectively.

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Value Optimization

Design adjustments are made to reduce complexity and material waste while maintaining performance and structural integrity.

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Customer Success Story

Precision Parts and Engineering Achievements Globally

Electronics

Full-Process Manufacturing of a Learning Tablet Enclosure for Online Education

Longwang offers integrated stamping, NMT, CNC, surface finishing, and assembly under one roof, including advanced processes like our exclusive sidewall extrusion with full‑perimeter undercut forming that few can match. We solve complex mechanical challenges and scale from prototype to mass production. Contact us to discuss your project and get a rapid feasibility assessment.

Base Material: 5052 Aluminum Alloy

Core Processes: Stamping+CNC Machining

Surface Treatment: Sandblasting + Anodized

Dimensional Accuracy: Flatness ≤0.01mm

Services: R&D + Machining + Assembly

Industrial Equipment

Industrial Energy Storage Enclosure Fabrication Solution

Industrial energy storage enclosure fabrication solutions deliver strong, weather-resistant, and precision-built housings for outdoor battery systems. They support reliable protection, efficient thermal management, and scalable mass production, helping ensure long-term performance in demanding environments.

Material: SPCC / SECC

Manufacturing Process: Sheet Metal Fabrication + Surface Finishing + Assembly

Surface Treatment: Powder Coating + Silk Screen Printing

Assembly Accuracy: ±0.05 mm

Compliance Standards: Compliance Standards ISO 9001, RoHS, IP54 sealing compatible

Automotive

Custom EV Charging Station Enclosure and Final Assembly Solution

A complete manufacturing project covering sheet metal fabrication, surface finishing, component integration, and final assembly for a smart electric vehicle charging station. Longwang provided a one-stop production solution, delivering ready-to-install charging units with consistent quality and shortened lead times.

Material: Stainless Steel 304 + Powder-Coated Steel

Manufacturing Process: Sheet Metal Fabrication + Surface Finishing + Assembly

Surface Treatment: Powder Coating + Silk Screen Printing

Assembly Accuracy: ±0.10 mm

Product Height: 1,200 mm

Electronics

CNC Machined Stainless Steel Liquid Cooling Connector for AI Server Thermal Systems

A high precision CNC turned stainless steel liquid cooling connector designed for AI server thermal management systems. The component ensures stable coolant flow, high sealing performance, and long-term corrosion resistance under continuous high-load computing environments.

Material: Stainless Steel 316L

Manufacturing Process: CNC Turning + Precision Drilling + Threading

Surface Finish: Polished / Anti-corrosion Natural Finish

Tolerance: ±0.01 mm

Max Outer Diameter: 28 mm

Connection Type: Threaded Quick-Connect Interface

Application Medium: Liquid Cooling (Water/Glycol-Based Coolant)

Batch Size: Prototype + Small Batch Production

Get Expert Advice on Your Product Design

Need expert input on concept design? Get in touch early for success.

*All uploads are strictly confidential. NDA available upon request.

Your trusted partner for CNC machining, sheet metal fabrication, stamping, and assembly. From prototyping to mass production with strict quality control.

tel:

0769-82763299

Mobile:

+86 18988716988

fax:

0769-82763199

Address:

No.3 Longze Road, Chang'an Town, Dongguan City, Guangdong Province, China,523861

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