Design & Engineering

Why Choose LongWang Design Services?

We bridge the gap between innovative design and practical manufacturing.

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.

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.

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)

Concept Development

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

Design Visualization

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

Mechanical Structure Design

Structural Engineering

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

Assembly Integration

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

CMF Design

Material Finish

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

Aesthetic Matching

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

Cost Estimation & Design-to-Cost

Cost Analysis

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

Value Optimization

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

Customer Success Story

Precision Parts and Engineering Achievements Globally

Medical Device

CNC Machined Stainless Steel Medical Needle-Like Component

High-precision stainless steel component designed for medical applications, featuring tight tolerances and smooth finishes for safe, reliable, and precise performance.

Material: Stainless Steel 304

Manufacturing Process: CNC Machining, Polishing, Deburring

Dimensions: 50 × 3 × 3 mm

Tolerance: ±0.01 mm

Parameter5: 66666

Surface Finish: Smooth, Burr-Free, Polished

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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

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