Injection Molding Machines – HRU & HRN Series
ー Reliable Hydraulic Performance for a Wide Range of General-Purpose Plastic Components.
The HRU & HRN Series is Huarong’s standard general-purpose hydraulic injection molding machine. Built with a durable inward toggle system and proven core technology, it offers stable production, long service life, and a full range of CE-certified safety features. Ideal for automotive, packaging, electronics, and everyday consumer plastic components.
General-Type Machine Features

Inward Toggle Clamping Mechanism
A high-rigidity inward toggle ensures fast clamping and repeatable motion, ideal for the mass production of small to medium-sized plastic parts.

CE-Certified Safety Module
Built-in CE-certified safety module ensures operator protection and meets international compliance for safe machine operation.

Removable Safety Shield for Easy Maintenance
The patented removable front shield simplifies mold changes and routine maintenance, improving accessibility without compromising safety.

Bevel-Type Potentiometer for Precise Mold Control
A high-precision bevel-type potentiometer provides accurate mold position detection, supporting stable clamping and consistent part dimensions.

Patented Tie-Bar Groove Design
Our patented groove design enhances tie-bar rigidity and alignment accuracy—reducing platen deformation and increasing machine lifespan.

Centralized Lubrication System
The progressive lubrication system ensures even oil distribution across moving parts, reducing wear and extending service intervals.
Why Choose Our Injection Molding Machines?
Stable Hydraulic
Performance
Built with a robust hydraulic system that ensures stable machine motion and dependable performance for everyday molding applications.
Flexible for Mass
Production
Compatible with a wide range of molds and materials, supporting daily-use applications across multiple industries.
Built for Global
Compliance
Designed with CE-certified safety and ISO 9001:2015 standards for quality and reliability across international markets.
Applications & Industry Benefits
- Automotive: mirror housings, interior clips, small functional covers.
- Electronics: light guides, switch bases, device holders.
- Packaging: caps, closures, trays.
- Consumer Goods: appliance handles, cosmetic cases, household parts.
Related Articles
Discover insights on machine selection, production troubleshooting, and application case studies—essential knowledge for improving your general-purpose injection molding performance.

PET Preform Molding Solution: A Detailed Guide to PET Preform Manufacturing
Learn everything about PET preform manufacturing in this comprehensive guide, covering injection molding, essential equipment, sustainability, and expert advice for a reliable PET preform manufacturing solution.