Precision Machining for
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From medical devices to defense components, M&J Precision delivers CNC machined parts with uncompromising accuracy and quality. Trusted by global leaders across five industries.
0+
Years of Experience
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CNC Machines
±0.003mm
Tolerance Accuracy
Trusted by Industry Leaders Worldwide
Engineering Excellence Since Day One
Suzhou M&J Precision Machinery Co., Ltd., located in Mudu Town, Wuzhong District, Suzhou, is a professional CNC machining enterprise specializing in high-precision metal components. We serve industries where precision is not just a requirement but a necessity.
Our facility houses 32+ CNC machines from world-class manufacturers including Hermle (Germany), HAAS (USA) and Litz (Taiwan), paired with Hexagon coordinate measuring machines and advanced inspection equipment. This enables us to handle complex geometries with tolerances as tight as ±0.003mm.
- ISO 9001, ISO 14001, ISO 45001 & IATF 16949 certified
- 32+ CNC machines incl. Hermle (Germany) & HAAS (USA)
- Hexagon CMM & full in-house inspection lab
- 3 utility model patents for proprietary equipment
- Smart tooling management with automated vending system
- Serving global clients across Asia, Europe and North America
World-Class Manufacturing Facility
Our modern factory in Suzhou is equipped with premium CNC machines from Germany, USA, and Taiwan, backed by a comprehensive quality inspection lab and smart tooling management systems.
Hermle (Germany), HAAS (USA), Litz (Taiwan)
Litz, Scandinavian, Nanjing incl. slant-bed types
Hexagon Inspector & Inspector Classic
Mitutoyo, Mahr, TESA, surface testers
Hermle C800V machining center capability
HAAS VF-3 travel range 1016×508×635mm
CNC machining center production line with Litz machines
Organized material staging area with CNC machines
CNC turning center production line
Key Equipment Brands
End-to-End Precision Manufacturing
From prototyping to production, we offer comprehensive machining capabilities backed by rigorous quality control at every stage.
CNC Milling
27 machining centers from Hermle (Germany), HAAS (USA), and Litz (Taiwan). 3, 4 & 5-axis capability with tolerances to ±0.003mm on Hermle C800V.
CNC Turning
Slant-bed CNC lathes with live tooling for single-setup machining. Spindle speeds up to 6,000 RPM. Proprietary patented lathe design.
Wire EDM
Wire and sinker EDM for hardened materials and intricate features impossible with conventional machining methods.
Surface Treatment
Anodizing, plating, passivation, powder coating, polishing and custom surface finishes to meet exact specifications.
Quality Inspection
Dual Hexagon CMMs (0.003mm accuracy), Mitutoyo/Mahr calipers, TESA height gauge, Mitutoyo roughness tester, and 2D vision measurement system.
Assembly Services
Sub-assembly and full assembly capabilities with dedicated clean room environments for medical and optical components.
Our Precision Products
Explore our range of CNC machined components across 27+ product lines. All products use environmentally stable materials and comply with RoHS and REACH regulations.
Copper Waveguide Components
Copper parts with nickel plating. Burr-free cavity openings with sharp edges maintained. Precision waveguide connectors for RF signal transmission.
Aluminum Microwave Cavities
Multi-face cavities for microwave applications. Burr-free, no chamfer finish with aluminum passivation treatment. Complex internal channel structures.
Brass RF Bushing & Connectors
Precision CNC turned brass bushings with internal slots for RF/microwave signal applications. Stable material with eco-friendly processing, compliant with RoHS and REACH regulations.
Multi-Cavity Filter Plate
Large brass/copper multi-cavity filter plate with precision bored circular ports. Used in RF filtering and signal distribution systems. No burrs, sharp edge retention throughout all cavities.
Stepped Concentric Cavity
Complex aluminum cavity with concentric rectangular stepped patterns machined by multi-axis CNC. Used in microwave signal processing equipment. Eco-friendly material with passivation treatment.
Structural Assemblies & Enclosures
Stable, eco-friendly materials with smooth deburring and no sharp edges. Uniform surface finish with no color variation. Wide range of surface treatments available.
CNC Machined Aluminum Plates
Large-format precision aluminum plates with complex hole patterns, cutouts and pockets. Used as base plates or mounting panels in industrial equipment. Uniform surface color without variation.
Heat Sinks & Electronic Housings
Black anodized aluminum housings with integrated heat dissipation fins. Environmentally stable materials with diverse surface treatments including anodizing, passivation, and matte finishing.
Stainless Steel Precision Components
Complex multi-axis machined parts from stainless steel. Extensive surface treatment capabilities including spray coating, painting, electrophoresis, anodizing, and printing. Salt spray test ready.
Precision Tooling Blocks
High-precision steel blocks with closely-toleranced cylindrical bores and pin holes. Used as tooling inserts or fixture components. Stable material with environmentally friendly processing.
Stainless Steel Transition Fittings
Precision CNC turned and milled stainless steel square-to-round transition connector. Multi-axis machining for complex geometry with internal threading and external flats.
Custom Fasteners & Knobs
CNC turned stainless steel star knobs and custom fasteners with precision threading. Smooth edge deburring, uniform appearance. Suitable for various salt spray test requirements.
Aluminum Medical Components
Precision machined aluminum rod with threaded end and custom tip geometry. Designed for medical instrument applications with strict surface finish and dimensional tolerance requirements.
Surgical Clamp Assemblies
Stainless steel precision surgical clamp assemblies with knurled adjustment screws. Multi-component assembly with complex geometry for medical device applications.
Multi-Pin Star Components
Complex 5-axis machined stainless steel star-shaped components with precision wire pins. Used in medical device assemblies requiring intricate geometry and surgical-grade finish.
Micro Connector Pins
Precision CNC turned stainless steel micro pins and connectors for medical and electronic applications. Ultra-fine tolerances with burr-free surfaces and consistent batch quality.
Thin-Wall Surgical Clips
Ultra-thin wall stainless steel clip/bracket with complex contour machining. Designed for surgical instrument or implant applications requiring precise wall thickness control.
Micro Electronic Connectors
Precision machined stainless steel multi-pin electronic connectors with complex leg geometry. Miniature components for PCB mounting and electronic device integration.
Heat Sink Enclosures
Large-format black anodized aluminum heat sink with integrated fin array and multi-port panel. Complex CNC machining for electronics cooling and protection applications.
Flanged Bushings & Fittings
Precision CNC turned stainless steel flanged bushings with dual mounting holes. Clean surface finish with tight bore tolerances for instrument and assembly applications.
Timing Belt Pulleys
CNC machined aluminum timing belt pulleys with precision tooth profiles and integrated stainless steel shafts. Used in motion control and automation applications.
Black Oxide Nozzle Pins
Batch produced steel pointed nozzle pins with black oxide surface treatment. Precision turned with consistent geometry for automotive fuel injection or fastener applications.
Anodized Fixture Frames
Blue anodized aluminum precision fixture frame with integrated mounting tabs. Used for production line workholding and part positioning. Environmentally stable anodized surface treatment.
CNC Machined Mounting Brackets
Clear anodized aluminum CNC machined mounting bracket with complex 3D profile. Features precision cutouts, slots, and mounting holes for custom workholding or equipment mounting.
Small Batch Production & Prototyping
Custom prototyping, sample customization, and small batch CNC machining. Full assembly and functional testing available per client requirements.
Electrophoresis & Zinc Plated Parts
Precision parts with extensive surface finishing including spray coating, painting, electrophoresis, anodizing, zinc plating, and printing. Suitable for all salt spray test requirements.
Powder Coated Automotive Brackets
Precision machined automotive brackets and arms with black electrophoresis coating. Exposed machined contact surfaces for accurate assembly. Stable, eco-friendly materials for salt spray requirements.
Internationally Certified Quality
Our management systems are independently audited and certified to the highest international standards, ensuring consistent quality, environmental responsibility, and workplace safety.
Proprietary Technology
M&J Precision holds 3 utility model patents for proprietary equipment designs, demonstrating our commitment to innovation in manufacturing technology.
Slant-Bed CNC Lathe
Inventors: Li Jianchun, Ma Chengzhen, Wang Xiaojiang
Metal Processing Feeding Device
Inventors: Li Jianchun, Wang Guoqing, Ma Zhenbo
Angled Hole Machining Equipment
Inventors: Xu Xinpei, Lin Yongan, Pang Gonglin
All certifications independently audited and verified
Scope: Processing of metal components
3 utility model patents granted
Trusted Across Critical Industries
We deliver precision-machined components to five key sectors where quality and reliability are non-negotiable.
Medical Devices
Surgical instruments, implant components, and diagnostic equipment parts manufactured to the highest biocompatibility and cleanliness standards.
Defense & Military
Mission-critical components for defense systems, communication equipment, and military-grade hardware with full traceability.
Microwave & RF
Waveguide components, RF connectors, antenna parts, and electronic enclosures with precise dimensional control for signal integrity.
Tooling & Fixtures
Custom jigs, fixtures, and workholding solutions designed for manufacturing efficiency and repeatable accuracy.
Automotive
Engine components, transmission parts, and specialty automotive assemblies produced to OEM specifications with zero-defect quality.
Ready to Start Your Project?
Send us your drawings or specifications and receive a detailed quote within 24 hours. Our engineering team is ready to support your next project.
Phone
+86 137-0154-4058Location
Building 9, No.16 Zhongshan East Road, Mudu Town, Wuzhong District, Suzhou, China
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