---
title: "About Our Factory - Injection Molding & Hardware Manufacturing"
description: "Discover HYNEU, a Jinhua-based manufacturer specializing in plastic injection molding, hardware components, and custom production for international OEM customers."
url: "https://www.hyneu.com/about/"
language: "en"
type: "AboutPage"
category: "About Us"
datePublished: "2026-10-21"
dateModified: "2026-10-21"
brand: "HYNEU"
manufacturer: "HYNEU"
image: "https://static.hyneu.com/assets/share/catalog/16.webp"
---

# About Us

Meet the factory team behind HYNEU's plastic, hardware and overseas OEM manufacturing work.

# About HYNEU

HYNEU is a Jinhua, Zhejiang, China manufacturer with more than 20 years of experience in plastic injection molding and hardware component production. We support OEM projects from part review and tooling through sampling, repeat production and ongoing component supply.

## More than 20 years of manufacturing experience, focused on component-level production.

HYNEU is a manufacturing partner based in Jinhua, Zhejiang, China, specializing in custom plastic injection-molded parts and general hardware components. Our affiliated company, Shanghai Zhongshitong Import & Export Development Co., Ltd., has more than 20 years of international trade experience. We work from customer drawings, material specifications, order quantities, and application requirements to support reliable custom production.

Our scope connects the steps around a component: tooling and process review, injection molding or hardware production, sampling, secondary operations where required, and agreed quality checks. HYNEU focuses on component manufacturing, while Zhongshitong specializes in international trade. We focus on component manufacturing rather than presenting ourselves as a provider for every product or service category.

Each project is reviewed in relation to geometry, function, volume, appearance, tolerances, and supply expectations. These details help clarify manufacturing scope and open questions before cost and timing assumptions are finalized.

![HYNEU plastic injection molding and hardware manufacturing in Jinhua, Zhejiang, China](https://static.hyneu.com/assets/services/about-us.webp)

## At a Glance

**A clear manufacturing profile for OEM customers.**

These points summarize our location, manufacturing focus and the type of project support described across this site.

- **20+** — Years of manufacturing experience
- **Zhejiang** — China-based manufacturing
- **Plastic + Hardware** — Core component manufacturing scope
- **OEM / ODM** — Custom manufacturing support

## What We Manufacture

**A focused scope covering general plastic and hardware components. **

Our work is centered on component-level manufacturing for tools, equipment, outdoor products and other general applications. The exact production route depends on the part drawing, material, quantity and required function.

### Plastic Components

Injection molded housings, covers, handles, grips, brackets, caps, plugs and other functional plastic parts.

[Explore plastic components](https://static.hyneu.com/products/plastic-components/)

### Tool Parts & Accessories

Plastic and hardware parts supporting hand tools, power tools, garden tools and related equipment.

[Explore tool parts & accessories](https://static.hyneu.com/products/tool-parts-accessories/)

### Hardware Components

Custom metal components for tools, equipment, outdoor products, assemblies and general industrial applications.

[Explore hardware components](https://static.hyneu.com/products/hardware-components/)

## Manufacturing Experience in Practice

**What more than 20 years of manufacturing experience means in a project.**

Experience is useful when it helps identify the decisions that need attention at each stage. We keep part design, material, tooling, production volume and agreed quality requirements connected as the project develops.

### 1. Review the Part
Review drawings or 3D files, mating interfaces, critical dimensions, material or metal grade, application and expected quantity.

### 2. Align Tooling & Production
Consider part geometry, tooling status, material and the expected production route together; clarify assumptions before investment or production planning.

### 3. Move Through Sampling
Compare samples against the agreed requirements for fit, function, dimensions and appearance, then resolve open issues before approval.

### 4. Support Repeat Supply
Use approved samples, drawing revisions and agreed inspection requirements as references for repeat orders; review changes before applying them.

## Quality Control

**Quality is built into the manufacturing path, not added only at the end.**

The inspection plan should reflect the component, process and agreed requirements. Defining acceptance criteria early helps make checks more consistent from sampling through delivery.

### Requirement Review

Identify critical-to-function dimensions, material, drawing revision, appearance criteria and any fit, functional or inspection requirements before production.

### Production Checks

Define which dimensions, visual features or functions need checking during the relevant production stages, based on the process and agreed risk points.

### Final Inspection

Review finished components against the specified requirements, including applicable dimensions, appearance, fit, finishing and packaging details.

### Repeat-Order Consistency

Use the approved sample or specification revision as the reference for ongoing orders, and review changes to material, geometry or acceptance criteria before implementation.

The right inspection plan depends on the component and agreed requirements.

![OEM plastic and hardware component manufacturing project](https://static.hyneu.com/assets/services/oem-project.png)

## A manufacturing review starts with the requirements you already have.

A finished brief is not required to begin the discussion. Drawings, 3D files, material details, estimated volume, application information or known quality requirements can help identify what is clear and what still needs confirmation.

- Part drawings or 3D files
- Plastic material or metal grade
- Estimated quantity or production volume
- Application, key tolerances and surface requirements
- Existing tooling information, when applicable

## Customer Perspectives

**What customers value in working with HYNEU**

Practical communication, manufacturing support and dependable follow-through are at the center of long-term supplier relationships.

> “The team was responsive when we needed to adjust the handle geometry before tooling. Their feedback helped us move into sampling with fewer changes.”
> **David R.** — Operations Manager

> “Communication was straightforward from drawing review through production. It was useful to have tooling and part requirements discussed together.”
> **Maria S.** — Product Development Manager

> “We needed plastic and metal components for the same product. Having both requirements coordinated made supplier communication much easier.”
> **Thomas K.** — Sourcing Manager

> “The manufacturing team focused on practical details such as volume, material and finishing instead of pushing a one-size-fits-all solution.”
> **Claire M.** — Purchasing Manager

> “The early design discussion helped us identify a few molding considerations before the mold was finalized, which made the development process smoother.”
> **Alex P.** — Engineering Manager

> “For repeat parts, consistent communication and follow-up matter as much as the initial sample. The team stayed focused on production requirements.”
> **Daniel W.** — Operations Director

## Have a component that needs a practical manufacturing route?

Send the drawing, 3D file or project brief you have available. We can use it as the starting point to clarify scope, identify missing inputs and discuss the next manufacturing steps.

## Latest Insights

**Practical manufacturing insights for better decisions**

- [Direct Gate Injection Molding: Design, Process Control, and Risk Mitigation](https://www.hyneu.com/guides/direct-gate-injection-molding-design.html) — 2026-10-29
- [Dehumidifying Dryer for Plastic: Cut Defects & Boost Injection Molding Efficiency](https://www.hyneu.com/guides/dehumidifying-dryer-plastic-cut-defects-boost-injection-molding-efficiency.html) — 2026-10-29
- [Injection Molding Gate Seal Study: Prevent Sink Marks and Weight Variation](https://www.hyneu.com/guides/injection-molding-gate-seal-study-prevent-sink-marks-weight-variation.html) — 2026-10-29
- [Draft Angle in Injection Molding: A Practical Guide for Buyers and Engineers](https://www.hyneu.com/guides/draft-angle-injection-molding-practical-guide-buyers-engineers.html) — 2026-10-29
- [Wire EDM Machine: Precision, Efficiency and Tooling Buyer Guide](https://www.hyneu.com/insights/wire-edm-machine-precision-efficiency-tooling-buyer-guide.html) — 2026-10-29
- [PVC Plastic Properties and Injection Molding: A Practical Buyer’s Guide](https://www.hyneu.com/guides/pvc-plastic-properties-injection-molding.html) — 2026-10-29
- [UV Resistance in Injection Molded Parts: A Buyer's Selection Guide](https://www.hyneu.com/guides/uv-resistance-injection-molded-parts-buyer-guide.html) — 2026-10-29
- [High-Performance Plastics: Compliance Audits and Shop-Floor Realities](https://www.hyneu.com/guides/high-performance-plastics-compliance-audits.html) — 2026-10-29


## Related Resources
- [Products](https://www.hyneu.com/products/)
- [Capabilities](https://www.hyneu.com/capabilities/)
- [Custom Manufacturing](https://www.hyneu.com/custom-manufacturing/)
- [Industries](https://www.hyneu.com/industries/)
- [Buying Guides](https://www.hyneu.com/buying/)
- [Manufacturing Knowledge Base](https://www.hyneu.com/knowledge/)
- [Manufacturing Q&A](https://www.hyneu.com/questions/)


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