HLH Prototypes Co LTD

  Few could have predicted how much 3D printing would evolve over 2 decades ago. Today, this technology is changing how products are made and delivered — thanks in large part to how 3D printing companies in China have scaled production and expanded access across industries. How 3D printing works 3D printing is an additive process that builds parts layer by layer using materials like plastics or metals. Unlike traditional subtractive methods that cut away material, 3D printing follows digital instructions to create complex shapes from the ground up. The result is a highly accurate part produced with minimal waste and maximum design flexibility. How 3D printing impacts supply chains 3D printing allows companies to reduce their dependence on external suppliers. For example, manufacturers in industries like agriculture can prototype and test new parts on-site, speeding up product development and reducing third-party risks. By simplifying production steps, 3D printing companie...

  The manufacturing industry has always evolved through waves of innovation, changing how people work and produce goods. In the 19 th century, the first industrial revolution was driven by steam power and brought continuous mechanical energy that replaced much of the manual labor of the time. The second introduced mass production, while the third saw robotics reshape factory floors. Now, we’re going through the fourth industrial revolution or Industry 4.0, and at its heart is the Internet of Things (IoT), where machines, people, and processes connect through data. Information can be shared and applied instantly because of this real-time connectivity, making production faster and more efficient. For a China-based CNC machining parts manufacturer like us, Industry 4.0 translates into advanced systems that achieve high accuracy and adjust results in real time using live data. Smarter automation Even though automation drives Industry 4.0, its purpose isn’t to eliminate human inp...

  Steel 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 designers worldwide, this change further reinforces China as the most practical choice for rapid tooling in 2025 and likely for years to come. Businesses can accelerate projects and control costs by working with a trusted rapid tooling partner in China. Let’s take a look at the factors that are making China a leader in rapid tooling services today. Quick look: Why choose China for rapid tooling in 2025?   ✅ Costs 30% to 50% lower than Western prices ✅ ISO-certified quality systems ✅ Strong supplier networks that shorten lead times ✅ Scalable capacity from prototypes to large production runs ✅ Access to advanced processes and continuous innovation ✅ Flexible production volumes, delivery schedules, and customization Save money Even before the tariff hike, steel tools from rapid tooling com...

  Are 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 into a working model quickly and cost-effectively. Ultimately, the company you choose will directly affect the quality and cost of your project, as well as how successfully you bring your product to market. China is home to many prototype companies, but not all of them have the capacity and expertise to use multiple manufacturing methods to meet different needs. HLH Prototypes is different.   We’ve supported clients worldwide in developing commercially viable products and scaling them toward production. How do you know if you’ve found the right partner? Here’s what you need to look for to help you evaluate your options and choose a team that aligns with your goals. Quick look: How to evaluate prototype companies ✅ Industry experience in your sector ✅ Ability to take designs from prototype to production (turnkey solutions)...

  Selective 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 a tool only available to large manufacturers, it’s now becoming more accessible and practical for small businesses looking to improve how they develop and produce parts. This article highlights how SLS technology works and how it compares with other 3D printing methods. If you’re a small business owner, we’ll also show you how you can benefit from it. What sets SLS apart from other 3D printing methods SLS uses a laser to fuse powdered materials — usually thermoplastics like nylon — into solid parts, layer by layer. It can also be used with composites that include glass particles. Unlike FDM (Fused Deposition Modeling) or SLA (Stereolithography), SLS 3D printing doesn’t require support structures during printing. The unused powder supports the object during the build, so there’s no need for additional material that has...

  Construction 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 what’s possible. And in this blog, we’ll explore how 3D printing is influencing the construction process and its advantages in real-world projects. Designs have gone digital. Today’s designers and engineers are developing accurate digital models using software like CAD (computer-aided design) and BIM (building information modeling). Using these tools simplifies testing and fine-tuning building elements before 3D printing prototypes . Designers can adjust size and load performance before preparing the model for printing. With 3D printing, those finalized digital models are sliced into printable layers. Specialized software translates design data—such as layer thickness and material specifications—into instructions that guide the printer’s movement. Instead of handing a blueprin...

  Choosing 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. But material alone won’t guarantee success. Several other factors can affect the outcome. Let’s break them down. Manufacturing methods for plastic prototypes Plastic prototyping has become faster and more affordable thanks to newer technologies. 3D printing is one of the most accessible options, letting teams test multiple design versions quickly without driving up costs. CNC machining, by contrast, offers tighter tolerances and uses production-grade plastics, making it a better fit when you need a prototype that closely mirrors the final part. It’s ideal for evaluating fit, function, and durability under real-world conditions. Choosing the right materials Your choice of material can directly impact the mold performance and the quality of the prototype plastic part . When deciding on a resin, it...