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Precision Plastic Injection Molding Experts

Since 2007, Topssun Precision Tech has delivered high-quality, low-cost custom plastic solutions for automotive, medical, electronics, and consumer industries.

Who We Are

Topssun Precision Tech Ltd. is a solution expert and full-service custom plastic injection molding company. Established in 2007, we were built from the ground up to meet the current and future needs of our global customers.

With a strong focus on innovation, quality, and efficiency, we offer end-to-end manufacturing solutions — from design and tooling to molding, CNC machining, and final assembly.

2007
Founded
15+
Years Experience
Topssun Factory

Our Core Capabilities

From concept to completion, we provide comprehensive manufacturing services with precision and reliability.

Design

Advanced CAD/CAM design and simulation for optimal product development and mold flow analysis.

Tooling

High-precision mold making with fast turnaround and long-life durability for mass production.

Molding

Custom plastic injection molding with tight tolerances and high repeatability across industries.

Assembly

Complete in-house assembly services including packaging, labeling, and quality inspection.

Our Products

We manufacture high-quality, precision-engineered components for diverse industries with a focus on performance and reliability.

Precision Moulds

Precision Moulds

Custom-designed, high-durability molds for complex plastic parts with tight tolerances and long service life.

Auto Parts

Auto Parts

Engine components, interior trims, connectors, and structural parts meeting automotive industry standards.

Medical Parts

Medical Parts

ISO-certified production of surgical tools, housings, diagnostic devices, and consumables.

Electronic Parts

Electronic Parts

Enclosures, connectors, heat sinks, and insulators for consumer and industrial electronics.

Commodity Parts

Commodity Parts

High-volume production of everyday plastic components for household and industrial use.

CNC Machining Parts

CNC Machining Parts

Precision-machined metal and plastic components with micron-level accuracy and surface finish.

Plastic Housings

Custom enclosures for electronics, medical devices, and industrial equipment with EMI shielding options.

Disposable Medical Components

Single-use plastic parts including syringes, vials, and diagnostic kits produced under cleanroom conditions.

Automotive Connectors

High-reliability electrical connectors and sensor housings built to withstand extreme conditions.

Semiconductor Components

Precision-molded parts for semiconductor manufacturing equipment and packaging.

Why Choose Topssun Precision Tech?

We combine advanced technology, skilled engineering, and strict quality control to deliver unmatched value.

High Quality – Low Cost

We maintain rigorous quality standards while optimizing processes to reduce costs and pass savings to our clients.

Fast Production

Our streamlined workflows and automated systems enable rapid prototyping and high-output production cycles.

Design Flexibility

From concept to mass production, we support complex geometries, multi-material molding, and custom finishes.

Company & Industry News

New Website Launched

Topssun Precision Tech Ltd. has launched a new website to better serve our global customers with improved navigation and updated product information.

Company News

Advantages of Injection Molding

Fast production, design flexibility, high-output capability, and material efficiency make injection molding ideal for mass production of plastic parts.

Industrial News

High Quality – Low Cost

Our integrated manufacturing approach ensures consistent quality while minimizing waste and reducing overall production costs.

Product Knowledge

Get in Touch

For inquiries, quotes, or partnership opportunities, visit our official website to contact Topssun Precision Tech.

+86 (0) 769 8538 1869
No. 4 Gangsha Road, Chang'an, Dongguan, China

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