Trusted Precision Manufacturer · Dong Guan, China

Custom Manufacturing Done Right

Plastic injection molding, liquid silicone, and CNC machining — precision parts delivered fast with transparent pricing and full quality documentation.
Quote within 24 hours
DFM analysis on every order
Real-time order tracking
Full inspection & documentation
Injection Machines
0
On-Time Delivery
0 %
Years Experience
0 +
Our Capabilities

End-to-End Manufacturing Services

From prototyping to full-scale production, we offer a comprehensive range of precision manufacturing capabilities.
Plastic Products

Plastic Products

High-precision injection molded plastic parts for prototyping and production. We support complex geometries, tight tolerances, and a wide range of engineering-grade resins.
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Plastic Molds

Precision-engineered injection molds built for longevity, tight tolerances, and complex part geometries. From rapid prototype tooling to high-volume hardened steel molds.
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Liquid Silicone (LSR)

Liquid Silicone (LSR)

Biocompatible, heat-resistant liquid silicone rubber injection molding for medical, consumer, and industrial applications. Flash-free precision parts with excellent elastic memory.
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Mold Components

Mold Components

Standard and custom precision mold components including cores, cavities, slides, lifters, and inserts — machined to exact specifications with superior surface quality.
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CNC Machined Parts

CNC Machined Parts

Multi-axis CNC milling and turning for metals and engineering plastics. From single prototypes to production runs — tight tolerances, excellent surface finishes, fast delivery.
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Our Platform

Everything You Need, In One Place

From instant quoting to real-time tracking — our streamlined process keeps you in control at every step.

Instant Quoting

Upload your CAD files and receive a detailed price breakdown within 24 hours — no back-and-forth, no hidden fees.
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DFM Analysis

Every order includes a Design for Manufacturability review — we catch potential issues before cutting steel, saving you time and cost.
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Real-Time Tracking

Follow your order through every production stage with live updates, milestone notifications, and full inspection reports on delivery.
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Start to Scale

Your Full Manufacturing Journey

From concept to mass production — we support every stage with expertise and speed.

01

DFM Review

We analyze your design for manufacturability — wall thickness, draft angles, gate locations — before cutting any steel.

02

Mold Flow Analysis

Simulation of resin flow, weld lines, and shrinkage to optimize gate position and cavity layout for perfect parts.

03

GA Design

General arrangement drawings confirmed with customer before mold machining begins — zero surprises downstream.

04

Mold Manufacturing

CNC machining, EDM, and grinding to build the mold. Hardened steel cavities for long-run production durability.

05

Trial & FOT

First-off trial with full dimensional report. We iterate until every dimension hits spec — then ship samples for your approval.

06

Production & Delivery

Mass production with 100% inspection. CMM reports, material certs, and on-time delivery — every time.
Simple Process

How It Works

From your drawing to finished parts — fast, transparent, and hassle-free.

01

Upload Your Files

Send us your 2D drawings, 3D models, or specifications in any common format.

02

Get a Quote

Receive a detailed price quote within 24 hours with material and process recommendations.

03

Approve & Produce

Approve the quote and DFM analysis. We begin manufacturing immediately.

04

Receive Your Parts

Parts are inspected, packed, and delivered with full quality documentation.
Proven at Scale

Trusted by Manufacturers Across 6 Industries

From prototype to mass production, Sunyear delivers precision parts on time — with the quality documentation your industry demands.
View Case Studies

42

Injection Machines

Tonage 85T – 1,600T

15+

Countries Served

UK, USA, EU & beyond

50+

Material Options

Plastics, metals & silicones

98%

On-Time Delivery

With full quality documentation
Why Choose Us

Manufacturing You Can Count On

Confidence

DFM analysis and quality inspection on every order to ensure parts meet your spec.

Control

Transparent order tracking, real-time updates, and clear pricing — no hidden costs.

Capacity

Prototype quantities to high-volume production runs — we scale with your needs.

Cost Down

Optimized processes and material sourcing keep your unit cost competitive.

Why Sunyear

Expert Support at Every Stage

Engineering Support

Human Expertise Backed by Precision Tools

Every project is reviewed by our senior engineering team. We provide DFM feedback, material recommendations, and tolerance analysis — not just a price. Complex parts get a dedicated engineer, not a chatbot.
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Clean Room Manufacturing — Engineering Support
CMM Quality Inspection Lab
Quality Assurance

100% Inspection. Full Documentation.

Every shipment includes dimensional inspection reports, material certifications, and process records. Medical and aerospace customers receive first article inspection reports as standard — no extra charge.
Our Quality Process
Flexible Capacity

Scale from Prototype to Production

Order 1 part or 100,000. Our factory handles both with the same care and lead time discipline. As your volumes grow, our capacity grows with you.
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Factory Assembly Line — Flexible Production
Customer Stories

Trusted by Engineers & Procurement Teams

★★★★★

“The DFM feedback saved us from a costly mold rework. Parts came in exactly to spec and ahead of schedule.”

James T.

Product Engineer, Tech Startup

★★★★★

“We needed LSR parts with medical-grade compliance. The team guided us through material selection and delivered flawlessly.”

Sarah L.

Procurement Manager, Medical Device Co.

★★★★★

“From CAD files to first article samples in under 2 weeks. Competitive pricing and transparent communication throughout.”

Mike W.

R&D Director, Consumer Electronics
Case Studies

Real Projects, Real Results

See how we have helped companies across industries bring their products to market faster.
Precision Bracket Delivered in 5 Days

Precision Bracket Delivered in 5 Days

A robotics company needed 200 aluminum brackets with tight tolerances for a product launch deadline.
CNC Machining

Complex Mold for Consumer Electronics

Multi-cavity mold with side actions for a high-volume consumer device housing — delivered in 28 days.
Plastic Molds
Medical-Grade LSR Seals

Medical-Grade LSR Seals

Biocompatible LSR components for a medical device startup — from prototype to 10K production run.
Liquid Silicone
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Ready to Start Your Project?

Get an instant quote for your plastic, silicone or CNC parts — delivered fast.

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