Innovative Companies We Support
We’re not only the fastest provider of CNC machining prototypes, but also the most reliable partner for on-demand part production.
Why does this matter?
From concept validation to full-scale production, you only need one trusted supplier to support every stage of your product development.
How do we make it possible?
Beyond prototyping, we offer complete production support. Our expert team, together with a trusted manufacturing partner network, delivers significant economies of scale and competitive advantages. On-demand production keeps costs under control while giving you the flexibility to build inventory as needed. Whether it’s small-batch runs or high-volume production of up to millions of end-use parts, we adapt to your requirements with speed and reliability.
Why Choose to Work with Horizon?
With a network of over 50 trusted partners, we can seamlessly support everything from rapid prototyping and small-batch trials to full-scale mass production.
Horizon advantages of Precision Machining？
Precision Machining for Complex Parts
When it comes to machining complex parts, higher-level technical requirements often come into play. To ensure your parts meet your exact design intent, we request that you provide 2D engineering drawings or additional technical documentation. Our experienced engineers will review your designs and provide professional feedback to optimize manufacturability and performance.
Tight Tolerance Control – Compliant with ISO 2768-f, with feature tolerances as precise as ±0.002 in (0.0508 mm)
Certified Quality Systems – CoC, FAI, ISO 9001 certifications available
Fully Machined Features – No excess material left behind, ensuring exact geometries
Note: All CNC machined parts are manufactured to meet ISO 2768 standards. Metal parts follow ISO 2768-m (medium) or ISO 2768-f (fine) requirements; plastic parts follow ISO 2768-m (medium). Ultra-precision tolerances down to ±0.0004 in (0.010 mm) are possible but must be clearly specified in your 2D drawings.
How to Work With Us
How to Work With Us
Our ordering process
Types of Precision Machining That We Offer
Precision CNC Milling
We utilize high-precision multi-axis milling machines (including imported equipment from the US, Japan, and Germany along with top-tier Chinese brands) to ensure CNC-machined parts meet the following accuracy standards:
Standard Tolerance: ±0.05 mm
Critical Dimension Tolerance: ±0.005 mm
Industry Application Expertise
Our team possesses extensive expertise in manufacturing precision components for the world’s most demanding sectors, including aerospace and medical devices.
Precision CNC Turning
When absolute precision is non-negotiable, CNC turning is the solution you can trust. Equipped with professional-grade CNC lathes and backed by a team of seasoned engineers, we deliver flawless machining of rotating workpieces—perfect for high-accuracy circular and tubular components.
While CNC milling is often the go-to for small parts, CNC turning truly shines when producing larger components with an outer diameter exceeding 2.5 inches. From small-batch runs to intricate, high-complexity designs, we consistently achieve exceptional quality with uncompromising accuracy.
Choose us, and make every part a benchmark for precision and excellence.
Mirror EDM Service
Mirror EDM is a special machining technology that removes conductive material through pulse discharge, enabling the workpiece surface to achieve extremely high smoothness (Ra ≤ 0.1 μm). Its core feature is the ability to directly produce a mirror-like finish on complex profiles or high-hardness materials. It is commonly used in fields with extremely high requirements for surface quality and precision, such as precision molds, optical components, and aerospace parts.
Precision Grinding
Horizon is also equipped with high-precision grinding machines for metal parts and prototypes with stringent tolerance requirements. Grinding is a machining process that uses high-speed rotating abrasive tools to cut the surface of a workpiece, removing excess material to achieve high-accuracy dimensions, shapes, and surface quality. It is commonly used in fields such as aerospace components and precision instruments. Horizon’s professional team will tailor the optimal grinding solution for your needs.
Quality Assurance
| Driven by excellence, we embed quality into every detail—from advanced tools to rigorous standards. We ensure consistent, outstanding quality. | |||||
|---|---|---|---|---|---|
| 1 | Advanced Inspection Equipment | ||||
| We employ professional inspection equipment for precise measurement and validation. A spectrometer analyzes metal composition, a 2.5D measuring instrument verifies detailed features, a coordinate measuring machine (CMM) inspects complex three-dimensional structures, and height gauges ensure the accuracy of fundamental dimensions. | |||||
| 2 | Strict quality management system | ||||
| From first article inspection to in-process checks and final pre-shipment testing, every stage is governed by a rigorous management system to ensure consistent quality. | |||||
| IQC（Incoming Quality Control） | FAI (First Article Inspection) | ||||
| IPQC（In-Process Quality Control） | CMM inspection report | ||||
| FQC（Final Quality Control） | DIR(Dimensional Inspection Report ) | ||||
| OQC（Outgoing Quality Control） | CAR（Corrective and Preventive Action Report） | ||||
| Material Certificates | ISO 9001 | ||||
CNC Machining Materials
Metal
Inconel
Inconel Superalloy Materials Inconel alloys are a family of high-performance nickel-chromium superalloys known for their exceptional strength, oxidation resistance, and high-temperature stability. These alloys are widely used in extreme environments where components are subjected to high temperatures, pressure, or mechanical loads.
Magnesium
Magnesium & Magnesium Alloy Materials Magnesium (Mg) and its alloys are among the lightest structural metals available, offering exceptional strength-to-weight ratio, good thermal conductivity, and beneficial vibration-damping properties. These materials are increasingly attractive for advanced engineering uses such as aerospace, automotive, and electronics applications where weight reduction is critical.
Titanium
Titanium Titanium is a lightweight yet high-strength metal known for its exceptional strength-to-weight ratio, excellent corrosion resistance, and outstanding biocompatibility. It maintains stable mechanical properties across high and low temperatures and features a low thermal expansion coefficient, making it ideal for demanding applications. Thanks to these superior properties, titanium and titanium alloys are widely used
Steel Mild Low Carbon
Low-Carbon (Mild) Steel Material Low-carbon steel is a type of carbon steel with low carbon content, typically referring to steel materials with a carbon content ranging from 0.02% to 0.30%. Due to its low carbon content, it is also known as “mild steel.” Its performance characteristics are particularly notable: compared to medium-carbon steel and high-carbon
Stainless Steel
Stainless Steel Material & Alloys Stainless steel is a family of corrosion-resistant iron alloys developed to withstand oxidation, corrosion, and wear. Thanks to its excellent durability, mechanical strength, and versatile formability, stainless steel is widely used across industries requiring long-term performance—even in harsh or aggressive environments. Its favorable operational and welding properties can fully meet
Copper
Copper Material & Copper Alloys Copper is a metal that is corrosion-resistant, extremely electrically conductive, and highly ductile. Its glossy orange-red appearance is instantly recognizable, and the metal remains aesthetically appealing even during its natural oxidation process—where environmental reactions form a bluish-green coating known as patina. However, it should be noted that copper’s weldability is
Brass
Brass Material & Brass Alloys Explore HorizonRP’s brass materials—offering excellent machinability, corrosion resistance, and attractive appearance. Ideal for hardware, plumbing, decorative, electrical, and industrial applications. Brass is an alloy composed of copper and zinc, with a golden color and excellent weather and corrosion resistance. Its tensile strength is comparable to that of mild steel. In
Aluminum
Aluminum Material & Aluminum Alloys Aluminum is highly favored in CNC machining due to its low density, excellent mechanical properties, superior thermal and electrical conductivity, and outstanding corrosion resistance. Among aluminum alloys, 6061-T651, 7075-T651, and 2024-T351 are widely used for their ideal balance of strength, machinability, and cost.
Plastic
PC+ABS
PC/ABS (Polycarbonate‑ABS Blend) Plastic Material PC+ABS is a blend-modified material that combines the advantages of both materials. It not only inherits the high impact resistance of PC but also the material strength of ABS, while improving its heat resistance. It is often used in electronic product casings, automotive interiors, consumer products, and more.
CPVC
CPVC (Chlorinated Polyvinyl Chloride) Plastic Material CPVC (Chlorinated Polyvinyl Chloride) is a modified form of PVC, with enhanced thermal stability, mechanical properties, and chemical resistance. These upgraded characteristics make CPVC an excellent choice for applications in high-temperature and corrosive environments where ordinary PVC would fail.
PC+GF
PC+GF(Glass‑Fiber Reinforced Polycarbonate) Material PC+GF (polycarbonate + glass fiber reinforced composite material) is a reinforced engineering plastic made by adding glass fiber (abbreviated as GF) to a polycarbonate (PC) matrix. The addition of glass fiber can significantly improve the mechanical properties and stability of pure PC while retaining some of PC’s excellent inherent properties, making
PEI
PEI (Polyetherimide) Engineering Material PEI (polyetherimide) is a high-performance thermoplastic known for excellent heat resistance, mechanical strength, and chemical stability. It is widely used in demanding applications across aerospace, electronics, medical, and industrial fields.
PTFE
PTFE Polytetrafluoroethylene (PTFE), commonly known as Teflon, is a high-performance fluoropolymer. It is frequently used in mechanical components requiring reduced friction and wear—such as bearings, gears, and piston rings—due to its non-stick properties, low friction characteristics, and self-lubricating capabilities. PTFE also exhibits excellent electrical insulation properties, making it highly suitable for applications like high-frequency cables,
LDPE
LDPE Low-Density Polyethylene (LDPE) is lighter than water, soft and tough, with excellent acid and alkali resistance as well as electrical insulation properties. It is widely used in fields such as packaging, agriculture, electronics, and daily necessities.
PP
PP Polypropylene (PP) is a well-balanced thermoplastic characterized by lightweight material, excellent chemical resistance, and good flexibility. Owing to these properties, it finds wide application in fields such as packaging, household appliances, automotive, daily necessities, and medical devices.
PET
PET PET (polyethylene terephthalate) is a common thermoplastic polyester with excellent mechanical properties and strong chemical resistance. It also offers glass-like transparency and luster, with a high light transmittance of about 88–92%, and is widely used in beverage bottles, food packaging, and engineering plastics.
PVC
PVC (Polyvinyl Chloride) Plastic Material Polyvinyl chloride (PVC) is a widely used thermoplastic polymer material characterized by excellent mechanical properties, outstanding corrosion resistance, and superior electrical insulation performance. By incorporating various additives, it can be tailored to meet customized requirements. Owing to its unique combination of properties, PVC finds extensive applications in fields such as
PC
PC (Polycarbonate) Engineering Material PC (polycarbonate) is a versatile engineering plastic known for its high impact resistance, optical transparency, and good thermal stability. It combines toughness, heat resistance, and aesthetic clarity, making it suitable for a wide array of applications.
PMMA (Acrylic)
PMMA (Acrylic) Engineering Material Acrylic (also known as polymethyl methacrylate, PMMA) boasts not only excellent optical performance but also outstanding UV resistance. With a light transmittance of up to 92%—comparable to glass—it has become a popular material in scenarios ranging from neon signs in shopping malls and display case panels in museums to precision optical
PEEK
PEEK (Polyetheretherketone) Engineering Material PEEK (polyetheretherketone) is a premium thermoplastic widely recognized for its exceptional thermal stability, mechanical strength, chemical resistance, dimensional stability, and in many cases biocompatibility and electrical insulation. It is used in extreme environments like aerospace, medical implants, electronics, and semiconductor industries.
Nylon
Nylon (Polyamide) Engineering Material Nylon (polyamide) is a versatile engineering thermoplastic known for its high strength, excellent wear resistance, good chemical stability, and toughness. It is widely used across industries for gears, bearings, bushings, automotive components, industrial parts, and more. Its ease of machining, coupled with its chemical resistance, also makes it suitable for applications
POM
POM (Polyoxymethylene / Acetal) Engineering Material POM (polyoxymethylene), also known as acetal, is a high‑performance engineering thermoplastic valued for its rigidity, low friction, excellent wear resistance, and good dimensional stability. It is often used in precision mechanical parts that require durable, low‑maintenance performance.
HIPS
HIPS (High Impact Polystyrene) Material HIPS, or High Impact Polystyrene, is a modified polystyrene polymer enhanced with rubber modifiers (usually polybutadiene) to improve toughness and durability. The result is a rigid yet impact-resistant thermoplastic that retains good processability, making it popular in prototyping, manufacturing, and consumer products. HIPS combines the stiffness of polystyrene with improved
HDPE
HDPE (High-Density Polyethylene) Material High-Density Polyethylene (HDPE) is a thermoplastic polymer with high strength-to-density ratio, known for durability, chemical resistance, and ease of processing. As a semi-crystalline plastic, it offers excellent impact performance, low moisture uptake, and good machinability — making it a popular choice in industrial, chemical, packaging, and structural applications. It is great
ABS
ABS (Acrylonitrile Butadiene Styrene) Material ABS (Acrylonitrile Butadiene Styrene) is a widely used engineering thermoplastic known for its excellent balance of strength, toughness, and processability. Because it combines rigidity from acrylonitrile and styrene with impact resistance from butadiene, ABS is commonly used in consumer products, enclosures, housings, and structural components.
Surface Finish and Post-Processing Options
As machined
The machined or deburring finish is the standard finish where unwanted attach chips are removed with deburring tools, and sharp edges are chamfered to smooth the surface (3.2 μm).
Bead Blasted
Bead blasting produces a matte texture, removing all the marks of machining tools. It applies to ABS, Aluminum, Brass, Stainless Steel, and Steel parts.
Anodizing
Anodizing involves adding an aluminum oxide coating to aluminum and its alloys. The layers, which come in various colors, increase strength and shield the surface from corrosion.
Alodine
Provides excellent corrosion resistance property to the aluminum parts with greenish-gold color. It is the low-cost and quick surface finishing approach.
Polishing
Physical rubbing of a metal surface to create a shiny surface is called a polishing surface finish. It increases the reflectivity and does not affect the dimensional stability of parts.
Brushing
Brushing is achieved by applying an abrasive brush to the metal surface, which produces a unidirectional satin finish. And it is not recommended for highly corrosive materials.
Sanding
Provides a random, non-linear texture with a shiny, high gloss finish. However, it might be unable to create sharp corners and pockets
Black-Oxide
Black oxide finish reduces surface reflectivity and offers mild corrosion protection. It involves adding a thin layer of magnetite to the surface.
Electroplating
Electroplating increases the hardness of the steel &aluminum parts. It offers excellent corrosion, wears, and abrasion resistance.
Electroless Nickel Plating
A thin layer of Nickel is created on the surface from a nickel-containing solution without electrolysis. Electro-less nickel plating provides a shiny appearance, excellent hardness, abrasive, wear, and corrosion-resistance to the substrate material.
Chrome Plating
Chrome plating is widely used in various industries, which not only enhances the beautiful appearance of the product, but also improves the performance of the product, such as corrosion resistance, oxidation resistance, abrasion resistance, hardness, etc.
Passivation
Enhance the appearance and functionality of the parts. After Passivation, parts of Steel and its alloys become super resistive from corrosion.
