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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.

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Stainless Steel CNC Machining | Custom Precision Parts
Stainless Steel CNC Machining for custom CNC stainless steel parts in 303, 304, 316L and 17-4PH. Milling, turning and multi-axis work run in one shop, holding ±0.01 mm and Ra 0.8, with passivation, electropolishing and bead blasting for corrosion-critical surfaces. We machine manifolds, flanges, housings, impellers, brackets and instrument bodies for food, medical and marine equipment, from 1 to 5,000 pcs, with material certificates and CMM reports. 316L Stainless Steel Machining is quoted with grade-specific tooling notes, so the price reflects what the alloy actually costs to cut.
5 Axis CNC Machining Service | Aluminum Machine Spare Parts
5 axis CNC machining service for custom CNC machine spare parts and aluminum CNC milling parts. Simultaneous five-axis milling cuts undercuts, compound angles and contoured pockets in one setup, holding ±0.01 mm position and Ra 0.8 on functional faces. We reproduce obsolete or undocumented parts from a sample and produce replacement flanges, spools, valve blocks, threaded rings and impellers in 6061-T6, 7075-T6 and 304 stainless, 1 to 5,000 pcs, with CMM reports and material certificates. Send a STEP file or a photo with dimensions for a quotation within one week.
Aluminum CNC Machining Service | ±0.005mm Frame Parts
Aluminum CNC machining service for machine frame parts and automation equipment components, milled and turned to ±0.005 mm with Ra 0.4 surfaces. We produce CNC machined aluminum parts including mounting brackets, fixture plates, flange rings, timing pulleys, threaded adapters, tapered bushings and dome covers in 6061-T6 and 7075-T6, with hard anodizing, bead blasting or chromate conversion finishing. Custom CNC machining parts from 1 to 10,000 pcs, CMM-verified with first article reports and material certificates. Send your STEP file for a DFM review and a quotation within one week.
Turn Mill Machining, Custom Non-Standard Metal Parts Service
This CNC machining portfolio presents a turn-mill combination approach for producing complex non-standard components from customer drawings, CAD files, samples or BOMs. The image shows brackets with holes, cylindrical sleeves, flanged housings, clamp-like parts, linkage plates, slotted plates, threaded fittings, knurled knobs, shafts, rings, covers and small inserts. These forms may require a coordinated sequence of turning, milling, drilling, boring, threading, slotting, chamfering and deburring; the final route depends on the approved design. The service supports turn mill machining, custom non standard metal parts and a one stop CNC machining service for prototypes, small batches and OEM assemblies. Material, tolerance, finish, inspection and delivery are confirmed per project.
Custom CNC Screws, Precision Machine & Self-Tapping Fasteners
Socket-head, slotted, Phillips, countersunk, pan or rounded-head screws, long threaded forms and pointed self-tapping styles. Silver, black, gold, purple, blue and green appearances are visual references only; material and finish require specification. The service is suitable for custom CNC screws, precision machine screws and custom self tapping screws for machinery, fixtures, equipment, furniture hardware, electronics and OEM assemblies. Submit a drawing, sample or BOM to confirm thread, head, drive, length, tolerance, surface, treatment, inspection and packing.
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.
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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