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CFS Foundry is a professional metal casting and CNC machining manufacturer in China with over 20 years of industry experience. Our company specialises in investment casting, die casting, gravity casting and precision machining, providing customised metal components according to customers’ drawings, samples and technical requirements. CFS Foundry works with stainless steel, carbon steel, alloy steel, aluminum, cast iron, copper alloys and nickel-based alloys. Its services cover tooling development, casting, heat treatment, CNC milling and turning, surface finishing, inspection, assembly and packaging. Our company manufactures components for the automotive, marine, valve and pump, agricultural, construction, furniture, food-processing and industrial machinery sectors. By combining experienced engineering support, strict quality control, fast production, competitive factory pricing and reliable international shipping, CFS Foundry provides a complete manufacturing solution for customers worldwide.
Investment casting, also called lost-wax casting or precision casting, is a manufacturing process used to produce complex metal components with high dimensional accuracy and a smooth surface finish. It is especially suitable for parts with intricate shapes, thin walls, internal passages or detailed features that may be difficult to manufacture using other casting methods. The process begins with a wax pattern shaped like the required component. Several wax patterns may be assembled onto a central runner to form a tree. The assembly is repeatedly coated with ceramic slurry and fine sand until a strong shell is created. The wax is then melted out, leaving an empty mould cavity. Molten metal is poured into the ceramic shell, allowed to solidify and removed for cutting, cleaning and final inspection. Investment casting can process stainless steel, carbon steel, alloy steel, duplex stainless steel, nickel-based alloys, aluminum and copper alloys. Its main advantages include: Excellent dimensional accuracy Smooth and consistent surfaces Ability to produce complicated shapes Wide choice of casting materials Reduced material waste Lower CNC machining requirements Suitability for small or large production quantities Investment casting is widely used for automotive components, valve and pump parts, marine hardware, food-processing equipment, construction fittings, medical devices, industrial machinery and aerospace components.
Stainless steel casting is a manufacturing process used to produce strong, corrosion-resistant metal components with complex shapes. Molten stainless steel is poured into a prepared mould, where it cools and solidifies into the required form. Investment casting is one of the most widely used methods because it provides excellent dimensional accuracy, intricate details and a smooth surface finish. Common casting grades include 304, 316, 17-4 PH and 2205 duplex stainless steel. Each grade offers different levels of corrosion resistance, mechanical strength, heat resistance and wear performance. Stainless steel castings are widely used for valve and pump components, automotive parts, marine hardware, food-processing equipment, construction fittings and industrial machinery. Additional operations such as heat treatment, CNC machining, shot blasting, passivation, electropolishing and mirror polishing can improve their accuracy, appearance and performance.
Aluminum casting is a manufacturing process in which molten aluminum alloy is poured or injected into a mould to produce components of a required shape. After solidification, the casting is removed, cleaned, inspected and, if necessary, heat-treated, CNC machined or surface-finished. Common production methods include high-pressure die casting, gravity die casting, low-pressure casting and sand casting. The best method depends on the component’s design, dimensions, production quantity, mechanical requirements and target cost. Widely used casting alloys include A356, A360, A380, A383 and ADC12. Aluminum casting offers several important advantages: Lightweight with a good strength-to-weight ratio Excellent corrosion resistance Good thermal and electrical conductivity Ability to produce complex shapes and thin walls Good machinability and dimensional stability Efficient production for small or large quantities These benefits make aluminum castings suitable for automotive components, pump housings, heat sinks, marine hardware, lighting fixtures, furniture parts, electronic enclosures and industrial machinery. Secondary processes such as T6 heat treatment, CNC machining, shot blasting, polishing, anodising and powder coating can further improve the component’s strength, accuracy, appearance and service life.
Aluminum die casting is a manufacturing process in which molten aluminum alloy is injected into a reusable steel mould under high pressure. The metal rapidly fills the mould cavity, cools and solidifies into the required shape. After ejection, the component may undergo trimming, CNC machining, inspection and surface finishing. This process is particularly suitable for producing large quantities of complex components with thin walls, detailed features, smooth surfaces and consistent dimensions. Common aluminum die-casting alloys include A360, A380, A383 and ADC12. The main advantages of aluminum die casting include lightweight construction, good strength, corrosion resistance, dimensional stability and excellent thermal conductivity. It can also integrate ribs, bosses, mounting holes and other functional features into a single component, reducing assembly requirements and production costs. Aluminum die casting is widely used for automotive parts, electric motor housings, heat sinks, lighting fixtures, electronic enclosures, pump components, furniture hardware and industrial equipment. Secondary operations such as CNC machining, shot blasting, polishing, powder coating and anodising can further improve the component’s accuracy, appearance and performance.
Aluminum gravity casting is a manufacturing process in which molten aluminum flows into a reusable metal mould under the natural force of gravity, without high-pressure injection. After the aluminum cools and solidifies, the mould is opened and the casting is removed for trimming, cleaning, inspection and further processing. This process is well suited to medium- and low-volume production of strong, durable components with relatively complex shapes. Compared with sand casting, gravity casting generally offers a smoother surface finish, better dimensional accuracy and more consistent quality. It can also produce components with good structural integrity and mechanical performance. A356 is a commonly used alloy for aluminum gravity casting because of its good castability, corrosion resistance, machinability and response to T6 heat treatment. Typical products include automotive parts, pump housings, marine hardware, furniture legs, brackets, motor housings and industrial machinery components. Additional operations such as T6 heat treatment, CNC machining, shot blasting, polishing, powder coating and anodising can be applied to improve the casting’s strength, dimensional accuracy, appearance and corrosion resistance.
Marine casting is a metal manufacturing process used to produce components for boats, ships, docks, offshore equipment and other marine systems. Because these parts are continuously exposed to saltwater, moisture, impact and changing weather conditions, they require good corrosion resistance, mechanical strength and long-term durability. Common marine casting materials include stainless steel, duplex stainless steel, aluminum, bronze and carbon or alloy steel with protective coatings. Depending on the component’s size, shape and production volume, manufacturers may use investment casting, gravity casting, sand casting or die casting. Typical marine castings include: Boat cleats and deck fittings Propellers and impellers Valve and pump components Anchoring and mooring hardware Pipe fittings and flanges Hatches, handles and brackets Dock and offshore equipment parts
Plot No. 35 to 40, Ravaki Rev. Sur. No. 670, Pushti Parishar Industrial Area, Near Maa Khodal Ind-1, Ravki, Taluka Lodhika, Rajkot, Gujarat, India - 360004
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