Explore our core high-precision aluminum portfolios designed for heavy industrial applications, home fixtures, and architectural assemblies.
Foshan Golden Source Precision Manufacturing Co., Ltd, established in 1991, is a professional manufacturer of high-strength, high-precision, customized aluminum profiles and precise machining aluminum parts, welded parts, and assembled aluminum products. With a modern and environmentally friendly production base covering an area of over 73,000 square meters, the company offers one-stop service, including alloy casting, mold research & design & building, aluminum extruding, precise machining, welding, assembly and surface treatment.
The company holds certifications such as ISO9001, ISO14001, ISO45001, RCV, and GRS, ensuring that its products comply with the environmental requirements of the EU’s REACH regulation. A wide range of aluminum alloy series are available, including: 1XXX, 3XXX, 5XXX, 6XXX, 7XXX alloy, which allow us to meet different demands of various industries and fields, including hardware tools, 3C products, automobile, railway, furniture, decoration, and outdoor products.
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Why the chemical composition of aluminum dictates the yield limits, structural performance, and surface perfection of CNC components.
By controlling the chemical composition at the molten phase, we eliminate impurities that compromise post-machining finishes. This ensures optimal silicon-to-magnesium ratios for immaculate anodizing cosmetic surfaces.
We offer engineered selection parameters for 6063 (fluidic flow, high cosmetic quality), 6061 (structural and mechanical strength), and 7075 (high yield-to-tensile ratio for military and aerospace structural frameworks).
Our verified GRS (Global Recycled Standard) supply chains allow global brand owners to claim carbon-reduction and circular economy advantages for finished assemblies without losing tensile performance.
Engineered efficiency from raw billet to finished, anodized parts ready for assembly.
We melt the alloy in house so that we can adjust the compositions to achieve the best physical properties of extrusion profiles, best purity of alloy for high quality anodizing.
Machining and surface treatment are done in house with better quality control and saving production costs so that the unit price for product will be lower. Even if the same price as other factories, our quality will be much superior.
"One-stop" manufacturing capacity will provide faster delivery to customers by combining mold development, extrusion, CNC milling, custom anodization, and testing under one roof.
Meeting the demands of supply chain directors who require high throughput, traceability, and localized engineering compliance.
Modern automotive engineering requires extreme strength-to-weight ratios to increase EV battery range. We manufacture structural frames, roof rack canopy mounts in 6063-T6, and critical impact profiles. Our CNC capability ensures that dimensional tolerances remain below ±0.02mm, allowing perfect assembly on automated robotic lines.
From premium sandblasted rolling picture holders to anodized aluminum structural frames for kitchen cabinets, we focus on aesthetic durability. Surface roughness is minimized using state-of-the-art tooling pathways to eliminate machining chatter marks before anodization.
Outdoor installation requires components to withstand decades of high wind loads and UV degradation. We manufacture structural mounting racks using 6063-T6 alloys with specialized anodizing depth ratings (up to 25 microns) to prevent galvanic corrosion and environmental wear.
Heavy-duty hinges for hydraulic gate closers require a balance of high shear resistance and smooth machining paths. Our single-point control from casting through milling prevents mechanical failure under repetitive load cycles.
Where the aluminum machining industry is heading—and how we are leading the change.
Integration of real-time sensor loops to monitor tool wear, spindle vibration, and thermal expansion during heavy milling cycles, ensuring consistency over high-volume production runs.
Utilizing green energy grids for melting alloys, combining our RCV and GRS certifications to lower the scope 3 emissions of our global strategic clients.
Developing highly specialized 7000-series alloy blends optimized for thin-walled extrusions, providing unprecedented structural integrity for aerospace components.
ISO9001, ISO14001, ISO45001, GRS, RCV certified. Meeting strict environmental requirements of the EU’s REACH and RoHS regulations.













Technical clarifications on custom CNC milling, materials selection, lead times, and quote generation.
To provide an accurate quote, we require 2D drawings (PDF, DWG formats with defined tolerances) and 3D CAD models (STEP, IGES, or SLDPRT files). Please specify the desired aluminum alloy grade (e.g., 6061-T6, 6063-T5, 7075-T6), surface finish treatment (anodizing class, powder coating thickness, or sandblasting grit rating), and order quantities.
Most CNC machine shops buy extruded bar stock from third-party vendors, leaving them vulnerable to impurity spikes (e.g., elevated iron content) that cause localized gray/black spots during anodizing. Because we melt and cast alloys in our own facility, we control composition down to parts-per-million, ensuring high-quality, uniform surface finishes.
Our standard linear tolerance is ±0.05mm, which complies with ISO 2768-m. For high-precision functional requirements, we can maintain tolerances down to ±0.01mm on CNC machining centers, depending on the geometry, size of the part, and structural rigidity.
Yes. Our production facility holds GRS (Global Recycled Standard) and RCV certifications. All materials used in our extrusion and machining processes conform strictly to the EU REACH regulation and RoHS directives, avoiding restricted hazardous materials and heavy metals.
We offer an all-in-one manufacturing process. In-house surface operations include mechanical sandblasting, chemical etching, custom-color anodizing (matte, gloss, electrolytic bronze, sky gray), powder coating, and silk-screen printing. Doing this under one roof prevents oxidation between manufacturing stages and keeps unit prices low.
High-durability battery enclosures, measurement tools, and sliding components optimized for heavy cycle demands.