High-Precision CNC Machined Manufacturer

Top Proto provides precision prototyping, low-volume manufacturing, and plastic injection molding services for industries worldwide — including aerospace, medical, automotive, electronics, and defense.

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Our Services

From low-volume prototype to mass production

CNC Machining

Fast and efficient CNC machining services including milling and turning. We use 3-, 4-, 5-axis CNC and EDM machines for high-precision parts.

3D Printing

We provide SLA, SLS, and SLM services, offering versatile and efficient production capabilities across various industries and applications.

Sheet Metal

Parts made with cutting, stamping, bending, forming, punching, and welding processes. Ideal for complex metal components in medical and industrial fields.

Vacuum Casting

Create high-quality, detailed replicas using silicone molds and vacuum chambers to eliminate air bubbles and ensure precise replication.

Rapid Tooling

Quick and cost-effective production of molds, dies, or tooling inserts to accelerate product development and support small-scale production runs.

Surface Treatment

Enhance part properties or appearance with sandblasting, powder coating, painting, anodizing, plating, and other finishing options.

About Us

Shenzhen TOPP Technology Co., Ltd (Top Proto) was founded in 2008 and is located in Shenzhen, China. We offer premier prototyping services, small-batch production, and low-volume manufacturing of parts and components in many different materials and finishes.

With over 15 years of experience, Top Proto has built a strong reputation for delivering high-quality, cost-effective solutions to private companies and governmental agencies worldwide. Communication is our key — our engineers and designers work directly with clients to fully realize your vision on time and within budget.

15+

Years in Business

30+

R&D Engineers

500+

Clients Served

106+

Countries Covered

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Industries We Serve

Precision custom CNC machining parts and services on demand

Robotics

High-tolerance components for robotic arms, sensors, and automation systems.

Electronics

Enclosures, heatsinks, connectors, and precision housings for consumer and industrial electronics.

Automotive

Engine parts, transmission components, and custom fixtures for EVs and traditional vehicles.

Medical

Surgical tools, diagnostic equipment parts, and FDA-compliant components.

Aerospace

Lightweight, high-strength components for drones, satellites, and aircraft systems.

Industrial

Machinery parts, gears, shafts, and custom tooling for heavy-duty applications.

Furniture

Metal frames, joints, and connectors for modern and smart furniture systems.

Smart Toy

Interactive toy components, robotic parts, and electronic housings for educational toys.

Why Choose Top Proto?

Quality Assurance

We maintain stringent quality control processes to ensure every manufactured part meets or exceeds industry standards. Our ISO 9001 certification reflects our commitment to excellence.

Quick Turnaround Time

Our streamlined workflows, optimized scheduling, and efficient project management enable us to deliver finished parts or prototypes within tight deadlines — often in as little as 3–5 days.

Qualified & Certified

We hold ISO 9001 certification and operate with first-class production equipment, advanced testing methods, and a strong technical team to ensure stable and reliable product quality.

Competitive Pricing

We offer transparent pricing structures and value-for-money solutions, balancing cost-effectiveness with uncompromised quality — ideal for startups and enterprises alike.

Contact Us

Get in touch with our team for quotes, technical support, or project consultation.

Address

Room 1202, Shangxing Kangjun Building, Xinqiao Street, Baoan District, Shenzhen, China 518125

Email

[email protected]

Phone / Skype

+8617727508170

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