In the rapidly development of industrial landscape, finding a reliable supplier for CNC machinery parts is critical for maintaining production continuity and product excellence. At Yuhuan Hongqian Machinery, we combine over a decade of expertise with state-of-the-art technology to deliver high-quality precision CNC machinery parts that meet the most rigorous global standards.
As one of the leading CNC machinery part factories in Zhejiang, China, our 1,500-square-meter facility is engineered for high-volume output and unwavering precision. We don’t just claim to make parts; we demonstrate it through our advanced infrastructure:
CNC machinery capabilities: We have more than 50+ high-precision CNC lathes , can provide small quantity and big batch order , we are the professional cnc machinery supplier provice oem cnc machinery service and Odm cnc turning service .
Precision and Accuracy: We specialize in tight-tolerance accuracy of 0.02 mm. This precision ensures that our CNC custom parts for machinery integrate perfectly into your assemblies without the need for secondary adjustments.
Advanced Automation & Efficiency: We have integrated 15 dedicated truss robots and 6 sets of automated feeding systems (vibratory bowl feeders). This level of automation ensures a massive production capacity of 200,000 pieces per month, providing you with a stable supply of CNC machined parts even during peak demand.
Flexible Order Handling: Our facility is uniquely positioned to support both high-volume OEM contracts and specialized small-batch CNC machinery parts projects. With integrated automatic raw material cutting and robotic processing, we ensure the fastest lead times in the industry.
For supply approved CNC machinery parts and satisfy customer reality demand, chooose right material type is the foundation of structural integrity. As a professional cnc machinery supplier , we are familiar with different type material performance;
Carbon steel is one of high strength and low cost material widely used in cnc machinery area . Our factory is focus on the low carbon steel ,medium carbon steel and alloy steel , free-cutting steel for more than 8 years . we are familair with heat treatment (HRC , HB ) ,various surface treatment for cnc machined parts .
Precision Heat Treatment: For critical cnc machinery components, we implement specialized hardening and tempering processes to reach specific tensile strengths (such as Grade 8.8 or 10.9 demand ).
Carbon steel surface treatment Protection: To counter the natural oxidation of steel, we offer professional zinc plating, black oxide, dacromet , chemical nickle plated etc , and specialized coatings to ensure your CNC machinery parts survive harsh industrial environments
| (GB) | (EN/DIN) | (JIS) | (AISI/ASTM) |
| Q195 | S185 | — | ASTM A285 Gr.B |
| Q215 | USt34-2 | SS330 | ASTM A283 Gr.C |
| Q235 | S235JR | SS400 | ASTM A570 |
| 10# | C10 | S10C | AISI 1010 |
| 15# | C15 | S15C | AISI 1015 |
| 20# | C22E | S20C | AISI 1020 |
| (GB) | (EN/DIN) | (JIS) | (AISI) |
| 25# | C25E | S25C | 1025 |
| 30# | C30E | S30C | 1030 |
| 35# | C35E | S35C | 1035 |
| 40# | C40E | S40C | 1040 |
| 45# | C45E | S45C | 1045 |
| 50# | C50E | S50C | 1050 |
| (GB) | (DIN/EN) | (JIS) | (AISI) |
| 20Cr | 20Cr4 | SCr420 | 5120 |
| 30Cr | 28Cr4 | SCr430 | 5130 |
| 35Cr | 34Cr4 | SCr435 | 5135 |
| 40Cr | 41Cr4 | SCr440 | 5140 |
| 20CrMnTi | 20MnCr5 | SMnC420 | 5120 |
| 35CrMo | 34CrMo4 | SCM435 | 4135 |
| 42CrMo | 42CrMo4 | SCM440 | 4140 |
| 20CrNiMo | 21NiCrMo2 | SNCM220 | 8620 |
| 45CrNiMoVA | 36CrNiMo4 | SNCM439 | 4340 |
| (GB) | (DIN/EN) | (JIS) | (AISI) |
| Y12 | 10S20 | SUM12 | 1211 |
| Y12Pb | 10SPb20 | SUM22L | 12L13 |
| Y15 | 11SMn28 | SUM22 | 1213 |
| Y15Pb | 11SMnPb28 | SUM24L | 12L14 |
| Y20 | 22S20 | SUM31 | 1117 |
| Y30 | 1C30 | — | 1132 |
| Y35 | 1C35 | SUM41 | 1137 |
For industries requiring hygiene or high-moisture resistance, stainless steel is the natural best material with economy costs and good performance.
Expert Passivation: The secret to our stainless steel longevity is our chemical passivation process. By removing free iron from the surface, we enhance the natural chromium oxide layer, allowing our parts to pass 48 to 120-hour salt spray tests (NSS).
Good cnc machinery capabilities : Stainless steel is one hard cnc machinery material , need
| China (GB) | Europe (DIN/EN) | USA (AISI) | Japan (JIS) |
| 12Cr17Mn6Ni5N | 1.4372 | 201 | SUS201 |
| 06Cr18Ni9 | 1.4301 | 304 | SUS304 |
| 06Cr19Ni10 | 1.4305 | 303 | SUS303 |
| 06Cr17Ni12Mo2 | 1.4401 | 316 | SUS316 |
When weight reduction and thermal conductivity are priorities, our aluminum and brass machining services provide the answer.
Anodizing Ready: Our aluminum parts feature superior surface finishes (Ra 0.8 or better), making them ideal for Type II or Type III hard-coat anodizing.
Conductivity & Wear: We also process high-quality brass and copper for electrical and hydraulic applications where low friction and high conductivity are mandatory.
| USA (ASTM/AISI) | China (GB) | Europe (EN/DIN) | Japan (JIS) |
| 6063 | 6063 (LD31) | AlMgSi0.5 | A6063 |
| 6061-T6 | 6061 | AlMg1SiCu | A6061 |
| 6082 | 6082 (LD30) | AlSi1MgMn | A6082 |
| 7075-T6 | 7075 (7A04) | AlZn5.5MgCu | A7075 |
| 5083 | 5083 (5A06) | AlMg4.5Mn0.7 | A5083 |
To be a premier supplier of CNC machinery parts, a factory must offer more than just cutting; it must provide a complete supply chain solution. At Yuhuan Hongqian Machinery, we bridge the gap between raw material sourcing and high-end finishing.
We don’t just work with standard bars. Our CNC machined parts start from the highest quality blanks to ensure structural integrity:
Forming Methods: Solid Bar Stock, Seamless Tubing, Cold Heading, Hot Forging (Red Punching), and Precision Castings.
Specialized Blanks: We excel in processing Irregular/Special-Shaped Parts that require complex fixturing and multi-axis alignment.
As a specialist in fluid power components, our CNC machinery parts catalog includes a vast array of high-performance fittings.
Thread Expertise: We provide 100% gauged precision for PT, NPT, G (BSPP), Metric, and BSP (BSPT) threads.
Primary Applications: Our components are the “heart” of Hydraulic Systems, Pneumatic Tools, Automotive Assemblies, Plumbing Connectors, and Industrial Valves.
Our core strength lies in turning your vision into reality. We offer comprehensive CNC custom parts for machinery services, supporting all major engineering formats including PDF, STEP, and DWG. Whether it is a single prototype or a batch production ,our big cnc machinery power could satisfy your demand and give a fast delivery times.
Finishing & The “Zero-Peel” Secret
The quality of wholesale CNC machinery parts is often judged by the durability of their finish. We provide industry-leading surface treatments tailored to each metal type:
Carbon Steel cnc turned parts surface treatment we supply : Zinc Plating, Black Oxide, Electrophoresis (E-coating), Chrome/Nickel Plating, Dacromet, and Zinc-Nickel Alloy , we could supply salt spray test and laser logo service both .
Stainless Steel: Professional Passivation, Acid Pickling, Ultrasonic Cleaning (Natural Finish), Gold Plating, Electropolishing, and Mirror Polishing.
Aluminum Alloys: Type II/III Anodizing, Clear Oxidation, and Precision Chemical Cleaning.
The Hongqian Advantage (Preventing Coating Failure): > Most surface “peeling” or “flaking” issues occur due to poor pre-treatment or logsitic bump . To guarantee a damage-free surface, we utilize specialized rack plating and organized positioning throughout our supply chain. This strict control prevents bumps and scratches, providing the high-quality finish our customers expect.
At Yuhuan Hongqian Machinery, we don’t just manufacture parts; we engineer solutions. Our deep understanding of sectoral requirements ensures that every CNC machinery part we deliver excels in its specific functional environment.
Automotive & EV Components: Meeting the rigorous demands of the global automotive supply chain requires more than just machines—it requires a Full-Process Quality Traceability System. We implement stringent inspection protocols to ensure every component strictly adheres to your technical drawings. By eliminating process drift, we provide the high-consistency hardware necessary for next-generation vehicle safety and performance.
Pneumatics & Industrial Valves: Fluid control centers on airtight integrity. We specialize in machining complex internal geometries while maintaining a stable surface finish of Ra 1.6. This superior finishing ensures laminar airflow and achieves leak-proof sealing, meeting the performance demands of valve systems in even the most extreme operating conditions.
Industrial Automation: To help our clients maintain a competitive edge, we leverage highly integrated automated machining cells. This approach drastically reduces manual labor variables and human error, enabling high-quality mass production. Our goal is to translate our technical efficiency into cost advantages for you, ensuring long-term market competitiveness without compromising on precision.
At justcncturningparts.com, we bridge the trust gap in international procurement through engineering certainty and supply chain transparency.
We offer more than just a flexible schedule; we provide absolute delivery stability through high-output automated production lines. Whether your project involves high-mix, low-volume prototypes or large-scale annual contracts, our standardized workflows ensure a response speed that exceeds the industry average.
Our ISO 9001:2015 certification is just the baseline. To ensure the excellence of our CNC machinery parts, we utilize independent salt spray laboratories and precision metrology rooms. For critical parameters like thread pitch and diameter, we implement high-frequency gauging protocols, ensuring that every part arrives at your assembly line ready for immediate use.
Located in China’s premier valve and fitting manufacturing hub—Yuhuan—we sit at the heart of a world-class industrial ecosystem. From specialized raw material sourcing to advanced surface treatments (such as Zinc-Nickel alloy or Electroless Nickel), we coordinate complex projects within a tight radius. This geographical advantage allows us to pass significant logistics and time savings directly to our global partners.
Ready to Optimize Your Supply Chain? Stop settling for “good enough” tolerances and unpredictable lead times. Partner with a factory that speaks the language of precision engineering.
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