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Since its inception, Ganggu has focused on the development and manufacturing of high-quality hardware fasteners and precision CNC machining services.

CNC Parts
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Aluminum Stainless Steel CNC Parts, Custom OEM Machining
This drawing-based service produces functional components rather than catalog-only hardware. The images show stepped shafts, sleeves, flanged rings, gear-like parts, threaded connectors, hollow housings and custom brackets.

Our custom CNC machined metal parts can be developed from drawings, CAD files or samples. The CNC machining service for aluminum and stainless steel supports housings, fittings, shafts and assembly hardware. Custom CNC turning and milling parts can combine rotational features with holes, flats, pockets, slots and mounting faces. Final material grades, tolerances, finishes and inspection requirements are confirmed per project.
Custom CNC Machining, Anodized Aluminum & Prototype Parts
We provide a one-stop custom CNC machining service for engineers, OEM buyers and manufacturers. Send 2D/3D drawings or samples for DFM review and prototype planning. The images show anodized brackets, aluminum housings, flanges, rings, turned shafts, threaded fittings, heat sinks and gears.

Our service produces anodized aluminum CNC parts and CNC machining prototype parts, plus stainless steel parts, CNC turning, milling and Swiss-type machining. The images show drawing review, raw-material procurement, FAI, machining, IPQC, dimensional inspection, batch inspection, surface treatment, final inspection and delivery. Exact grades, tolerances, finishes and schedules are confirmed per project.
CNC Machining Prototype, Rapid Aluminum & Stainless Steel Parts
Our custom CNC machining prototype service supports engineers, product developers, maintenance teams and OEM buyers. Send a 2D/3D drawing or approved sample for geometry review and prototype planning. The images show threaded shafts, stepped pins, sleeves, flanges, bushings, housings, connectors and brackets.

This rapid prototyping CNC service produces CNC aluminum stainless steel parts for one-piece development, fit checks, functional testing, design verification and small batches. The image states 5–7 day prototyping, free DFM feedback, one-piece MOQ and 100% QC before shipping. Final grade, finish, tolerance and inspection documents are confirmed per project.
Turning CNC Machining Service for Custom Metal Parts-1792484793927164
CNC turning machining parts are manufactured to supplied drawings for OEM and industrial assembly. The pictured family includes threaded shafts, stepped pins, sleeves, bushings, collars, flanges and bored metal components. Through our turning CNC machining service, customers can specify geometry, threads, bores, shoulders, material, finish and inspection requirements. We support custom CNC turned components for prototypes, small batches and repeat production. Drawings or samples are reviewed before production; packaging, labels and part marking can be customized.
Turning CNC Machining Service for Custom Metal Parts
CNC turning machining parts are manufactured to supplied drawings for OEM and industrial assembly. The pictured family includes threaded shafts, stepped pins, sleeves, bushings, collars, flanges and bored metal components. Through our turning CNC machining service, customers can specify geometry, threads, bores, shoulders, material, finish and inspection requirements. We support custom CNC turned components for prototypes, small batches and repeat production. Drawings or samples are reviewed before production; packaging, labels and part marking can be customized.
Bicycle Bottom Bracket Nut: Serrated Flange Crankset Locking Screw
Our customized bicycle bottom bracket nut is designed for high-performance locking and durability. Featuring a serrated flange nut bicycle design, it effectively prevents loosening even under high-intensity vibration during cycling. This crankset locking screw is precision-machined from high-strength steel with professional surface treatments (black oxide or zinc plating) for superior rust resistance. Ideal for universal repairs of center axes and MTB cranksets, it ensures a secure fit and smooth power transfer for your bike.
High Tolerance CNC Machining Services, ISO 9001 Certified Supplier
As a top-tier precision machined parts supplier, we support 3-day prototyping and 7-day batch delivery. Our in-house lab ensures 100% strict quality control, backed by ISO 9001/14001. We provide technical DFM feedback and manufacturing scale for global supply chains.
Custom CNC Milling Services, Machining Prototypes & Anodized Parts
Accelerate your product development with our comprehensive custom cnc milling services. Our facility is optimized for cnc machining prototypes, allowing for rapid iteration of complex housings, structural brackets, and intricate industrial components. We handle a vast range of materials, specializing in anodized cnc aluminum parts with vivid surface finishes, as well as precision-turned stainless steel rods and custom polymer components. Our capabilities include high-gloss mirror polishing and multi-part assembly fitment. Whether you need a single functional prototype or a bridge to mass production, we provide DFM feedback and 100% inspection to ensure every dimension matches your STEP/IGS files.
Custom Knurled Thumb Screws & Precision Turned Brass Parts, CNC OEM
Source hardware directly from a trusted precision turned components manufacturer. We produce custom knurled thumb screws and diverse brass cnc machining parts, including nozzles and standoffs. Using CNC lathes and Swiss technology, we achieve tight tolerances and intricate knurling patterns (straight or diamond). We also process stainless steel and aluminum into ball studs and turned fittings. Whether for prototypes or production, we offer ready stock and full customization. Nickel plating and passivation are available for longevity.
CNC Machined MTB Frame Parts, Suspension Linkages & Custom Components
Optimize your chassis with our high-precision cnc machined mountain bike parts. This collection focuses on full-suspension frame optimization, featuring lightweight 5-axis milled cnc suspension rocker arms and essential custom bike frame components. Our expertise in mtb suspension linkage manufacturing ensures that complex pivot points and shock mounts are held to micron-level accuracy, providing a stiffer and more responsive ride. We provide ready stock and full OEM/ODM services for frame builders.
CNC Bicycle Parts & Precision CNC Turned Parts, Custom Components
Elevate your builds with our CNC bicycle parts and precision CNC turned parts. This collection features machined aluminum cranksets, chainrings, cassettes, and brakes, alongside high-precision drivetrain components. Our custom machined bike components leverage 5-axis milling and Swiss-style turning for tight tolerances and exceptional finishes. We provide ready stock and full OEM/ODM services.
Custom CNC Machining Parts, CNC Machining Service 5-Axis OEM
This custom CNC machining parts capability runs through a single CNC machining service — send STEP, STP, IGS, DWG or PDF and receive finished metal and plastic components held to ±0.005mm where the feature allows. We run CNC milling, CNC turning and 5-axis machining, plus surface finishing; the aluminum CNC machining service sits alongside Stainless 304/316, Titanium Gr.2, Brass C360, PA6, PEEK, POM, acrylic, phenolic and carbon fibre. Engineering support covers DFM analysis, design optimisation, prototype validation and material selection. Prototypes ship in 3–5 days, quotes return within 24 hours, and production carries 100% inspection with CMM.
Contact: Angel
Contact number: +86 18602085825
WhatsApp: +86 18602085825
Address: Room 101, Building 2, No.11 jintang Road,changping Town, Dongguan City, Guangdong Province, CN
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