Blog
Our blogs are a mix of tips, fun, announcements, and education on topics that range from rapid manufacturing to the challenges of doing business in China to the hard realities of product development. There is something for everyone so check them out and send us an email if you have any topics you would like to see covered.
Designing for DMLS Prototyping: 7 Mistakes That Waste Your Build Volume
PrototypesDirect Metal Laser Sintering (DMLS) can be a great option for making metal prototypes because it can allow you to realize designs with intricate geometries and...
View Blog PostThe Rise of Industry 4.0 in China’s CNC Machining Sector
CNC MachiningThe manufacturing industry has always evolved through waves of innovation, changing how people work and produce goods. In the 19th century, the first industrial revolution was...
View Blog PostWhat’s New in Vacuum Casting China in 2025? AI, Fast Molds & Eco-Resins Lead the Way
Vacuum CastingVacuum casting in China has long been known for producing affordable and high-quality prototypes, and it’s about to get better in 2025. New tooling methods and...
View Blog PostIs China Still the Best Choice for Rapid Tooling in 2025?
Rapid ToolingSteel tariffs in the US recently doubled from 25% to 50%, putting additional pressure on injection molders who are already facing tight margins. For engineers and...
View Blog PostFactors That Make the Best Prototype Companies Stand Out
PrototypesAre you looking for prototype companies that can take your idea from design to a functional part? You need a specialist who can turn your concept...
View Blog PostEverything You Should Know About Prototyping Plastic Parts with Molding Processes
PrototypesPlastic injection molding has become indispensable for rapid prototyping. Instead of waiting months for production-ready parts, product designers and engineers can now create a functional prototype...
View Blog PostThe Rise of Smart Manufacturing: 3D Printing Services in China
3D PrintingManufacturing is getting faster, leaner, and more connected thanks to 3D printing, which eliminates the need for molds and makes it easier to go from design...
View Blog PostPrototyping Companies + AI = Better, Faster, Smarter Products
PrototypesPrototyping used to mean trial and error, but these days, prototyping companies are using AI to flag design issues early, suggest toolpaths, and streamline how parts...
View Blog PostLow Volume Injection Molding Is Changing How Products Get Made
Injection MoldingInjection molding has long been linked with mass production, but that’s changing. Manufacturers in China are using low volume injection molding to turn out smaller batches...
View Blog PostHow to Orient Models in SLS 3D Printing for Stronger, Cleaner Results
3D PrintingSLS 3D printing is known for producing sharp, high-quality parts with impressive precision. But like all additive manufacturing processes, it’s influenced by gravity and heat during...
View Blog PostEverything You Need to Know About Prototype CNC Machining
CNC MachiningDesign flaws cost time and missed details cost money. Prototype CNC machining helps you catch both before they cause delays and costly rework. Instead of waiting...
View Blog PostChina’s 3D Printing Companies Are Shaping the Future of Logistics
3D PrintingFew could have predicted how much 3D printing would evolve over 2 decades ago. Today, this technology is changing how products are made and delivered —...
View Blog PostPrototype Manufacturing Trends in 2025: Innovations & Insights
PrototypesPrototype manufacturing is evolving fast because of better tools and changing global demands. The sector continues to grow despite recent economic disruptions — in fact, forecasts...
View Blog PostCNC Prototyping: Accelerating Precision Manufacturing
CNC MachiningOne of the biggest challenges when developing a new product is testing and refining designs without slowing down the process. CNC prototyping helps overcome this by...
View Blog PostPrototype Molding Techniques Transforming Product Design
PrototypesPrototype injection molding gives designers the ability to test their part’s form and function early in the process. It works much like standard production molding: molten...
View Blog PostDesigning Plastic Prototypes: Key Considerations in 2025
PrototypesChoosing the right material is a strong starting point when building a prototype plastic part because it helps ensure that your mold produces consistent, high-quality results....
View Blog PostChina’s Precision Machining: Innovations Driving 2025 Manufacturing
CNC MachiningPrecision machining in China has grown into one of the most advanced segments of its manufacturing industry, supporting high-tolerance parts for industries like aerospace and electronics....
View Blog PostAccelerating Production: The Rise of Rapid Machining in China
ProductionChina has long been recognized as a global manufacturing powerhouse, with CNC (computer numerical control) machining as the major driver behind its success. Here’s how rapid...
View Blog PostWhy Sheet Metal Matters in Aerospace
Aerospace & UAVAerospace engineering depends on accuracy and performance, and one of the essential elements behind successful aircraft and spacecraft design is precision sheet metal prototype fabrication. At...
View Blog PostTop Ways to Improve CNC Milling Accuracy
CNC MillingCNC milling in China uses computerized controls to guide the precise movement of cutting tools. The accuracy of each part depends heavily on how well the...
View Blog PostThe Role of 3D Printing in Shaping a Sustainable Future
3D Printing3D printing in China is playing a growing role in streamlining production and cutting material waste to supporting global sustainability efforts. Its ability to create complex...
View Blog PostHow SLS 3D Printing Paid Off for Small Biz
3D PrintingSelective Laser Sintering (SLS) has a reputation for being out of reach for smaller companies, but that’s changing. While SLS 3D printing was once seen as...
View Blog PostHow 3D Printing Changed the Way We Build
3D PrintingConstruction has traditionally relied on manual labor and well-established building methods. But that's changing quickly. From design to delivery, 3D printing prototypes are helping builders rethink...
View Blog PostExploring the Key Trends in CNC Milling Services in China
CNC MillingDespite the fact that more manufacturing technologies are available than ever, many designers and engineers still rely on trusted CNC milling services in China for speed,...
View Blog PostA Comprehensive Guide to CNC Machining Processes
CNC MachiningMany companies rely on CNC machining in China for end-use production, but it’s also become a cost-effective choice for designers and engineers developing new products. CNC...
View Blog PostHow Much Heat Can PETG Handle in 3D Printing?
3D PrintingChoosing the right material can make or break your 3D printing prototypes, and here at HLH Prototypes, we help you find the best fit for your...
View Blog PostHow Rapid Prototyping Transforms Product Development
PrototypesStill, relying on manual methods to build prototypes? You may be falling behind. More companies—from Fortune 500 brands to growing startups—now use rapid prototyping to speed...
View Blog PostHow Vacuum Casting in China Enhances Prototyping
PrototypesIf you’re trying to speed up development and keep costs in check, vacuum casting in China (also known as urethane casting) is a fast and flexible...
View Blog PostWhy Plastic Molding in China Is a Global Advantage
Injection MoldingAs the world’s manufacturing hub, China is often the first choice for businesses looking for cost-effective injection molding services. But here at HLH Prototypes Co. Ltd.,...
View Blog PostTop 5 Benefits of SLA 3D Printing for Prototyping and Production
ProductionStereolithography or SLA 3D printing is a tried-and-true technology for building detailed prototypes and end-use parts that require high accuracy and resolution. It’s also among the...
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