Cnmoulding · Newsroom
The Essential Injection Tooling & Molding Guide: Industry Glossary
At CNMOULDING, we believe in clear, engineer-to-engineer communication. This comprehensive glossary defines the essential terms, tolerances, and mechanisms used throughout the mold design, manufacturing, and production phases.
September 1, 2026
Precision Hot Runner Mold Tooling for High-Volume Production
CNMOULDING designs and manufactures high-precision hot runner molds for automotive, medical, and technical electronics industries. We specialize in optimizing thermal balance, gate integrity, and cavity consistency to support stable
September 1, 2026
Plastic Injection Molding Products in Daily Life
CNMOULDING, we specialize in transforming raw resins—from flexible LDPE to high-temperature Polypropylene—into high-precision, defect-free components.
September 1, 2026
Injection Molding Sink Marks: Causes, Prevention, and Real Factory Solutions
Sink marks are one of the most common quality problems in plastic injection molding. These small surface depressions may look minor at first glance, but they can seriously affect the appearance and performance of a product.
August 11, 2026
electric vehicle interior injection molding guide
As a precision mold maker in Shanghai, CNMOULDING provides this technical guide to help Tier-1 suppliers navigate the complexities of EV interior manufacturing.
August 11, 2026
Benefits of Hot Runner Systems in Injection Molds
Over the decades, injection molding has evolved into the leading manufacturing process worldwide, driving production in key industrial sectors across Europe, North America, and Asia
August 4, 2026
Electric Vehicle Plastics Engineering Injection Molding Solutions
As a premier precision plastic injection molding manufacturer in China, CNMOULDING delivers turnkey tooling and molding solutions, transforming high-performance polymers into regulatory-compliant, production-ready automotive components.
July 28, 2026
Precision Injection Molding for Wearable Medical Devices
Wearable Technology in Healthcare: Overcoming the Tooling & Precision Injection Molding Challenges
July 28, 2026
Electric Vehicle Plastics Engineering Injection Molding Solutions
CNMOULDING delivers turnkey tooling and molding solutions, transforming high-performance polymers into regulatory-compliant, production-ready automotive components.
July 21, 2026
Solving Overmolding & Insert Displacement Pain Points for EV Fasteners
Overmolded fasteners, structural brackets, and insulated busbar tighteners are backbone components in NEV battery packs and chassis assemblies.
July 21, 2026
Precision Injection Molding for Wearable Medical Devices
Wearable Technology in Healthcare: Overcoming the Tooling & Precision Injection Molding Challenges
July 14, 2026
TPE Injection Molding & Tooling Solutions
Maximizing Product Performance with TPE Injection Molding: The Tooling & Processing Guide
July 14, 2026
What Is Medical Grade Plastic?
Medical-grade plastics are revolutionizing the healthcare industry. Components that were previously fabricated from stainless steel, ceramic, or glass are rapidly being replaced by durable, biocompatible, and cost-effective polymers.
July 14, 2026
Precision NEV Automotive Sensor Injection Mold & Tooling
In New Energy Vehicles (NEVs), automotive sensors act as the nervous system—monitoring battery health, motor position, and autonomous driving environments.
July 7, 2026
Electric Vehicle Plastics Engineering Injection Molding Solutions
As a premier precision plastic injection molding manufacturer in China, CNMOULDING delivers turnkey tooling and molding solutions, transforming high-performance polymers into regulatory-compliant, production-ready automotive components.
July 7, 2026
Solving Overmolding & Insert Displacement Pain Points for EV Fasteners
Overmolded fasteners, structural brackets, and insulated busbar tighteners are backbone components in NEV battery packs and chassis assemblies.July 7, 2026
electric vehicle interior injection molding guide
As a precision mold maker in Shanghai, CNMOULDING provides this technical guide to help Tier-1 suppliers navigate the complexities of EV interior manufacturing.
April 28, 2026
Overmolding Injection Molding
What Is Overmolding?
Overmolding is a process where a second material is molded over a rigid substrate to create a single integrated component.
First shot: rigid plastic (PC, ABS, Nylon)
Second shot: soft material (TPE, TPU, silicone)
April 28, 2026
Plastics Material You are here:HomePlastics Material Injection Molding Material Selection Guide
Why Material Selection Is Critical
Choosing the wrong material can cause:
Product failure or deformation
Poor surface finish
Assembly issues in multi-material parts
Increased production cost
Mold redesign and delays
April 28, 2026
2K Injection Molding Service
2K Injection Molding (Two-Shot Molding)
Combine Multiple Materials in One Process to Reduce Assembly & Improve Performance
April 21, 2026
Injection Mold Slider Design for Automotive Parts
Slider mechanisms are widely used in injection mold design when parts include side holes, clips, or undercut features that cannot be released in the main mold opening direction.
April 21, 2026
China Injection Mold
China Injection Mold: Cost, Quality, Risks & How to Choose the Right Supplier
April 21, 2026
Injection Molding Runner Design
The runner system is a critical part of the injection mold, responsible for delivering molten plastic during the injection molding process..The runner system is the channel that carries molten plastic from the sprue to the gate.April 14, 2026
Injection Molding Warpage
Injection Molding Warpage: Why It Happens and How to Fix It
Warpage is one of the most common and costly defects in injection molding.Typical problems include:
Bending
Twisting
Dimensional instabilityApril 14, 2026
Why Cooling System Design Is Critical
A poor cooling system causes:Warpage，Sink marks，Long cycle times
Inconsistent quality
April 14, 2026
Automotive Plastic Injection Mold Manufacturer in China
At CNMOULDING, we specialize in the design and manufacturing of automotive plastic injection molds for global automotive suppliers and manufacturers.
April 8, 2026
Medical Injection Mold
Injection molding is widely used in the medical industry because it allows the production of complex plastic parts with high precision and excellent repeatability.
April 8, 2026
China Injection Mold Manufacturer
China has become one of the world’s leading destinations for plastic injection mold manufacturing. Many international companies choose Chinese suppliers because of strong engineering capabilities,
April 8, 2026
China Injection Mold Manufacturer
At CNMOULDING, we have been manufacturing custom injection molds in Shanghai since 1997. With more than 25 years of industry experience, our team supports global customers with reliable mold design, mold manufacturing
March 31, 2026
Automotive Plastic Mould
Automotive injection molding is widely used to produce a variety of plastic components in modern vehicles. Our molds support the production of both interior and exterior automotive parts.
March 31, 2026
Injection Mold Manufacturing Services in China
At CNMOULDING, we specialize in custom injection mold manufacturing and plastic injection molding services. Our Shanghai factory has been producing high-precision molds since 1997 for customers worldwide.
March 31, 2026
Injection Molding Process Optimization Guide
Solve Defects, Reduce Cost, and Improve Production Stability
Common Problems in Injection Molding Production
Most problems come from design, material, and process mismatch.
March 25, 2026
Transparent Plastic Injection Molding Services
Optical-Grade Clarity. Engineering-Level Precision. Reliable Mass Production.
Get Clear Parts Without Costly Trial & Error
March 25, 2026
China Injection Mold Manufacturer
At CNMOULDING, we have been manufacturing custom injection molds in Shanghai since 1997. With more than 25 years of industry experience
March 25, 2026
Injection Molding Flash
Flash is one of the most common quality defects in plastic injection molding production. It appears as a thin layer of excess plastic that leaks out of the mold cavity and forms along the edges or parting lines of a molded part.
March 18, 2026
Injection Mold Cost Guide
The cost of a plastic injection mold can vary widely depending on part complexity, mold size, material requirements, and production volume. Some molds may cost only a few thousand dollars,
March 18, 2026
Injection Molding Surface Finish Guide
In injection molding, surface finish is often discussed in terms of the final plastic part appearance. However, it is important to understand that the surface finish is actually determined by the mold surface,
March 18, 2026
Clear transparent plastics
Medical, Consumer, Automotive, Electronic Industrial.
Product description: Rich experience producing transparent plastics part mold and part in china. It needs high-quality requests for the injection molding control process.
March 10, 2026
Injection Mold Slider Design: Key Principles & Best Practices
Sliders (also called side-action cores or cam mechanisms) are essential mold components used to form undercuts or complex geometries that cannot be released by standard ejection systems.
March 10, 2026
Precision injection molding characteristics
The Precision injection molding is generally referred to as the precision of forming parts and surface quality is demanding high technology, some people think that precision injection is the size of plastic parts to achieve
March 10, 2026
Automotive Plastic Mould
CNMOULDING is specialized in various types of auto bumpers molds and their auxiliary parts such as grilles. CNMOULDING produces bumper molds for international automotive OEM plastic moulding china brands
March 3, 2026
Developed Custom Medical Plastic Injection Molding
Custom Plastic Injection Molding Process Types / High Press Tonnage
An Injection Molding Machine that exerts very high clamping forces. These machines are usually used to
produce larger parts.
March 3, 2026
customer quality support
CNMOULDING’s comprehensive approach to tooling and injection molding ensures high-quality parts, cost efficiency, and timely delivery. By leveraging advanced technologies and rigorous quality control, .March 3, 2026
injection mold factory in china
Mould making and injection molding part in China is generally much more affordable than in the West but of course, the whole process has to be carefully monitored to avoid disappointments.
February 25, 2026
The advantages of plastic medical products
Medical equipment related to the pharmaceutical industries, machinery, electronics, plastics, etc., wherein the
plastic rapid development of medical devices. Since the 1930s people first used synthetic polymer materials.
February 25, 2026
Injection Mold Process
At the heart of a high-quality injection mold lies precision machining. We invest in high-end equipment and master-level craftsmanship to ensure every cavity, core, and insert meets your exact specifications.
February 25, 2026
How much injection molding cost in China
Injection Molding and Mould making in China are generally much more affordable than in the West (about 50% lower in China, 30% lower in Taiwan). But of course, the whole process has to be carefully monitored to avoid disappointments.
February 10, 2026
Multi cavity mold in china
Injection molds contain more than one cavity of the same shape. Multiple-cavity injection molds have a symmetrical layout, producing many parts of the same design.
February 10, 2026
Precision Injection Molding Services: 30 Years of Manufacturing Excellence in Shanghai
As the most widely used manufacturing process for plastic parts, injection molding requires a partner that balances technical expertise with production scale. Based in Shanghai, a global logistics hub
February 10, 2026
China Injection Mold Making Slider structure
Slider structure
Injection Mold
Plastic Mould
In China
China injection mold company specializes in plastic injection mold and injection molding products for slider structure.
February 3, 2026