Precision OEM parts manufacturing with ±0.005mm tolerance, 50+ CNC machines, and end-to-end surface finishing — trusted by automotive, aerospace, and medical industries worldwide.
Hongrui is one of the top rapid prototyping companies in China. Dongguan Hongrui Model Technology Co., Ltd. was established in 2019 with a registered capital of 5 million yuan and currently employs over 100 people. We are one of the best rapid prototyping companies in China, specializing in low-cost OEM CNC machining parts manufacturing.
Our products are mainly used in industries such as automotive, medical, electronic, aerospace, machinery, communications, toys, and smart devices — backed by ISO 9001:2015 certification and SGS-audited quality systems.
The quality assurance of Hongrui, a precision parts manufacturing factory. We have invested significantly in quality and production environment, ensuring every component meets international standards.
We hold the GB/T 19001-2016 ISO 9001:2015 certificate, demonstrating our commitment to consistent product quality, process control, and continuous improvement across all manufacturing operations.
Obtained: 2023In 2020, we passed the rigorous quality system audit conducted by SGS — one of the world's leading inspection, verification, testing, and certification companies, validating our manufacturing excellence.
Passed: 2020In 2023, Hongrui successfully passed the SGS environmental system audit, confirming our compliance with international environmental regulations and responsible manufacturing practices.
Passed: 2023Hongrui has a total of 50 CNC machine tools, including vertical, horizontal, three-axis, four-axis, and five-axis CNC machine tools, which can significantly shorten delivery time. The optimal tolerance can be controlled within ±0.0002 inches and ±0.005 mm, making it suitable for manufacturing OEM parts.
From our founding to today, these milestones reflect Hongrui's relentless pursuit of precision, quality, and customer satisfaction.
From prototype to full-scale production, Hongrui's integrated CNC machining capabilities reduce lead times and ensure unmatched dimensional accuracy for global OEM clients.
📋 Start Your Project TodayOur CNC machining capabilities cover a variety of materials and processes — delivering complete manufacturing solutions from raw material to finished part.
Our fleet of 50+ CNC machines includes vertical, horizontal, 3-axis, 4-axis, and 5-axis configurations. Multi-axis machining enables complex geometries, undercuts, and contoured surfaces in a single setup — dramatically reducing cycle times and improving dimensional consistency for OEM and prototype parts.
High-speed CNC turning for cylindrical and rotational components with tight tolerance control down to ±0.005mm, suitable for shafts, bushings, fittings, and more.
Flat surfaces, slots, pockets, and complex 3D contours with high accuracy. Ideal for brackets, housings, and structural components across all industries.
Surface and cylindrical grinding for achieving ultra-fine finishes and tightest tolerances on hardened or heat-treated parts requiring superior flatness.
CNC drilling and tapping for precise hole patterns, thread specifications, and high-volume hole production with consistent depth and diameter repeatability.
Post-machining deburring, edge finishing, and precision assembly services ensure parts are ready-to-use and meet all functional and aesthetic requirements.
Our CNC machining capabilities cover a variety of materials — from common industrial metals to exotic alloys and engineering plastics, ensuring optimal material selection for your application.
Lightweight, corrosion-resistant alloys ideal for aerospace and consumer electronics
High strength and corrosion resistance for medical and food-grade applications
Excellent electrical conductivity for electrical components and heat exchangers
Superior strength-to-weight ratio for aerospace, medical implants, and high-stress parts
High-temperature resistance for turbine blades and chemical processing equipment
Exceptional wear resistance for cutting tools and biomedical implant components
Highest melting point metal for radiation shielding and high-density counterweights
PEEK, nylon, delrin, polycarbonate for lightweight functional prototype and production parts
In addition to CNC machining, Hongrui offers a full spectrum of post-processing and surface treatment options to meet every functional and cosmetic requirement.
Our precision parts and rapid prototyping services support mission-critical applications across a diverse range of high-demand industries worldwide.
Engine components, brackets, housings, and structural prototypes for global automotive brands
High-precision surgical instruments, implant prototypes, and medical device housings
Heat sinks, enclosures, connectors, and precision electronic housings with tight tolerances
Lightweight titanium and aluminum components meeting stringent aerospace quality standards
Custom gears, shafts, and mechanical assemblies for industrial machinery applications
Antenna housings, RF components, and precision connectors for telecom infrastructure
Functional prototypes and production parts for consumer product and toy manufacturers
IoT device enclosures, robot components, and smart hardware precision machining
Hongrui strictly implements ISO provisions, guaranteeing product quality and customer satisfaction through meticulous management at every stage.
Our GB/T 19001-2016 ISO 9001:2015 certification, achieved in 2023, demonstrates systematic quality control at every production stage — from raw material inspection to final delivery.
With 50+ CNC machine tools including 5-axis models, we handle complex geometries that most competitors cannot, with ±0.005mm tolerance as standard — not as a premium add-on.
From CNC machining to grinding, turning, drilling, deburring, and surface finishing — we are your single-source manufacturing partner, reducing coordination overhead and lead time.
We machine aluminum, stainless steel, copper, titanium, nickel, cobalt, tungsten, and engineering plastics — a material range that covers virtually every industrial application.
As one of China's leading rapid prototyping companies, we combine low-cost OEM manufacturing with uncompromised quality — giving global buyers exceptional value without risk.
Our SGS-certified environmental management system ensures that every part we manufacture meets international environmental standards — a commitment to sustainable manufacturing.
Hongrui strictly implements the provisions of ISO, guaranteeing product quality and customer satisfaction of CNC machining through meticulous management details at every stage of production.
All raw materials are inspected against material certificates and hardness/composition specs before entering production, preventing defects at the source.
CMM and manual gauging at critical machining milestones ensure dimensional accuracy is maintained to ±0.005mm throughout the production run.
Visual inspection, surface roughness measurement, and functional testing verify that all surface treatments meet drawing specifications and customer requirements.
Every order is accompanied by an inspection report. Parts only ship after passing final QC sign-off — no compromises, no exceptions.
Real feedback from OEM partners and procurement engineers who trust Hongrui for their precision machining requirements.
"Hongrui delivered our aluminum housing prototypes on schedule with exceptional surface finish quality. Their 5-axis capability enabled features that previous suppliers could not achieve. The ISO certification was a key factor in our supplier selection — it shows they are serious about quality."
"We've worked with Hongrui for over two years on stainless steel medical device components. Their ±0.005mm tolerance consistency across high-volume orders is remarkable. The full surface treatment service under one roof saves us significant logistics cost and time."
"As an aerospace supplier ourselves, we demand suppliers with certified quality systems. Hongrui's SGS-audited processes and ISO 9001:2015 certification gave us the confidence to onboard them. Titanium parts delivered with full dimensional reports — exactly as specified."
Get a competitive quote from one of China's top rapid prototyping and CNC machining companies. ISO 9001:2015 certified. SGS audited. Trusted worldwide.
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Hongrui Model
