WellrainTech | Plastic Mould & Injection Expert

About Hao Yu Tech

We are a professional plastic mold and injection manufacturer based in Dongguan City, close to Shenzhen, with our head office located in Hong Kong. Since our founding in 1998, we have grown into a trusted partner for global clients seeking high-quality, cost-effective manufacturing solutions.

With two ISO9001 and TS16949 certified factories in Guangdong, we operate across 20,000 square meters of workshop space and employ approximately 500 skilled professionals. Our advanced equipment and dedicated teams ensure precision and consistency in every project.

25+

Years Experience

500+

Employees

20,000m²

Workshop Area

70%

Export Rate

Advanced Technology Support

We leverage cutting-edge engineering and simulation tools to ensure your product is optimized before production begins.

Feasibility Study

We never proceed without analysis. Our engineers conduct thorough feasibility studies to identify potential production risks and recommend design improvements to reduce costs and enhance quality.

Rapid Prototype

We recommend prototyping before mold creation. It's a fast, low-cost way to evaluate design integrity and functionality, significantly reducing risks in mass production.

Mold Flow Analysis

Using advanced simulation software, we analyze how resin fills the mold, optimizing gate placement, predicting knit lines, and identifying hard-to-fill areas to ensure flawless part formation.

Mold Design

Our expert engineers combine proven standards with modern techniques to deliver robust, efficient, and long-lasting mold designs tailored to your production needs.

Hot Runner Design

Hot runner systems are critical for consistent flow and temperature control. We design precision systems that ensure optimal pressure and material delivery during injection.

Mold Testing

We offer comprehensive test shot services from 50 to 2,000 tons, including 2K (two-component) mold testing, ensuring your mold performs perfectly before full-scale production.

In-House Production Capabilities

Precision Mould Manufacturing

Our first-class mold processing workshop is equipped with state-of-the-art machinery and staffed by a highly skilled team. We offer one-stop mold manufacturing services from design to final delivery.

Injection Services

We operate 50 to 1,000-ton plastic injection machines in-house. For larger molds, we partner with trusted facilities to ensure seamless production of even the most demanding projects.

Available Machine Tonnage:

50–1,000 tons (in-house)
Up to 2,000 tons (via partners)
2K (Two-Component) Molding
High-Volume Production

What We Deliver

High-precision plastic and silicone components for diverse industries

Plastic Injection Molds

Custom-designed molds for high-volume production with tight tolerances and long service life.

Precision Plastic Parts

High-quality injection-molded components for automotive, electronics, and consumer goods.

Silicone Products

Medical-grade and industrial silicone components with excellent durability and flexibility.

2K Molding Solutions

Two-component injection molding for soft-touch grips, seals, and multi-material parts.

Automotive Components

Interior and exterior parts including dashboards, connectors, and housings.

Electronics Housings

Precision enclosures for consumer electronics, medical devices, and industrial equipment.

Medical Device Parts

ISO-compliant components for diagnostic tools, surgical instruments, and patient care devices.

Industrial Components

Durable parts for machinery, tools, and equipment requiring high strength and reliability.

Frequently Asked Questions

Where is your factory located?

Our manufacturing facilities are located in Dongguan City, Guangdong Province, China — just a short distance from Shenzhen. Our head office is based in Hong Kong.

Are you certified?

Yes, both of our factories are certified under ISO9001 and TS16949 standards, ensuring consistent quality and process reliability.

Do you offer mold testing?

Yes, we have a dedicated test shot workshop with injection machines ranging from 50 to 2,000 tons, including support for 2K (two-component) molds.

Can you handle large-scale production?

Absolutely. With 500+ employees and 20,000 square meters of production space, we are fully equipped for both prototyping and high-volume manufacturing.

What regions do you export to?

Approximately 70% of our molds and injection parts are exported directly or indirectly to Europe and North America.

Get in Touch

Ready to start your next project? Contact our team for expert guidance on mold design, prototyping, and production.

0012094488316

Email

[email protected]

Visit Official Website

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