Our custom precision machined parts are designed for customers who require stable quality, strict tolerances, and flexible manufacturing support for a wide range of industrial applications. As an experienced machined parts manufacturer, reliable machined parts supplier, and export-oriented cnc parts manufacturer, we provide complete solutions from prototype development to volume production.
We specialize in producing precision machined parts, custom machined parts, CNC machined parts, and precision CNC machined parts for overseas buyers who need dependable quality and responsive service. Whether you are sourcing custom precision parts, structural machined components, or complex precision machine parts, we can manufacture according to drawings, samples, or technical requirements.
Our factory supports a broad selection of metals and engineering plastics, making it easier to develop custom metal machined parts and high precision machined parts for demanding environments. With advanced equipment, experienced engineers, and strict inspection procedures, we help buyers reduce sourcing risk while ensuring consistency in every batch.
As a trusted China machined parts manufacturer, custom machined parts China supplier, and long-term OEM machined parts supplier, we offer flexible order quantities, competitive pricing, and efficient communication for global procurement projects. From one-off development parts to wholesale machined parts, our team is committed to delivering value through quality, precision, and customization.
Our production system is built to deliver high precision machined parts with excellent dimensional consistency and repeatability. We focus on stable tolerances, accurate hole positions, reliable threads, and smooth fit for assembly-critical applications.
We provide full custom manufacturing support for custom machined parts based on 2D drawings, 3D files, samples, or application requirements. From simple shafts to complex housings, our team can produce a wide range of custom precision machined parts for different industries.
We machine carbon steel, stainless steel, aluminum alloy, brass, copper, titanium, and engineering plastics. This material flexibility helps customers choose the most suitable performance and cost balance for their precision machined parts.
We support sample development, pilot runs, and long-term production. Whether you need small trial quantities or wholesale machined parts, our capacity can adapt to different order volumes.
As a comprehensive custom machining factory, we combine CNC Machining, turning, milling, drilling, tapping, heat treatment, and surface finishing to provide more complete finished parts.
As a professional precision parts exporter, cnc parts supplier, and international machined parts supplier, we understand the needs of overseas buyers in terms of quality documentation, packaging, lead time control, and logistics coordination.
We use a structured and efficient workflow to manufacture precision CNC machined parts with consistent quality and reliable delivery.
CNC machining is the core of our production process. It enables precise control over dimensions, shapes, and repeatability, making it suitable for a wide range of CNC machined parts and precision machine parts.
Turning is ideal for cylindrical or round parts such as shafts, bushings, sleeves, threaded fittings, and pins. This process ensures good concentricity and dimensional stability for various machined components.
Milling is used to machine flat surfaces, pockets, slots, profiles, and complex shapes. It is essential in producing custom precision machined parts with multiple surfaces and intricate geometry.
Our drilling and tapping operations help ensure accurate hole diameters, thread quality, and assembly compatibility for custom industrial parts.
For parts that require tighter size control or improved surface finish, grinding is applied as a secondary finishing process.
Heat treatment is available to improve hardness, wear resistance, fatigue strength, and service life. Depending on the material and application, processes may include quenching, tempering, carburizing, nitriding, and solution treatment.
After machining, all parts go through deburring, cleaning, and final finishing steps to ensure better safety, appearance, and functionality.
We support a wide range of materials for custom precision parts and custom metal machined parts, helping customers select the right option based on strength, corrosion resistance, weight, wear resistance, and cost.
Carbon steel is widely used for industrial parts because of its good strength, machinability, and economic value. It is suitable for structural parts, mechanical components, and equipment accessories.
Advantages:
Good strength and toughness
Cost-effective for industrial projects
Suitable for heat treatment
Widely used in machinery parts
Stainless steel is ideal for applications requiring corrosion resistance, strength, and long service life. Common grades include SUS303, SUS304, SUS316, and SUS420.
Advantages:
Excellent corrosion resistance
Good mechanical performance
Suitable for humid or chemical environments
Attractive surface appearance
Aluminum alloys are commonly used for lightweight and high-strength precision machined parts. They are easy to machine and suitable for complex structures.
Advantages:
Lightweight with good strength
Good machinability
Excellent corrosion resistance
Suitable for automotive, aerospace, and electronics applications
Brass and copper are ideal for electrical, thermal, and decorative applications. They offer excellent conductivity and good machinability.
Advantages:
High electrical and thermal conductivity
Good processing performance
Suitable for connectors, terminals, and fittings
Good appearance for visible parts
Titanium is used for high-performance components where low weight, high strength, and corrosion resistance are required.
Advantages:
Excellent strength-to-weight ratio
Superior corrosion resistance
Suitable for aerospace and marine equipment
Good long-term durability
We also machine engineering plastics such as POM, Nylon, PTFE, PEEK, and ABS for specialized industrial applications.
Advantages:
Lightweight
Good wear resistance
Chemical resistance
Suitable for insulation and low-friction uses
To improve appearance, corrosion resistance, wear resistance, and service life, we offer a range of surface treatment options for custom machined parts.
Polishing improves surface smoothness and appearance. It is suitable for decorative parts and components requiring reduced friction.
Electroplating such as zinc plating, nickel plating, and chrome plating enhances corrosion resistance and surface durability.
Anodizing is commonly applied to aluminum parts. It improves corrosion resistance, wear resistance, and appearance while allowing custom colors.
Powder coating provides a durable and uniform protective layer, especially for parts used in outdoor or industrial environments.
Sandblasting creates a matte and uniform surface texture while also preparing parts for coating or painting.
Black oxide is often used on steel parts to improve appearance and provide basic corrosion protection.
Passivation is commonly used for stainless steel to increase corrosion resistance by improving the protective oxide layer.
We can also provide brushing, painting, laser marking, galvanizing, and other customized finishing options according to customer needs.
Quality control is one of the most important parts of manufacturing precision machined parts. We apply strict inspection procedures throughout the production process to ensure every component meets drawing requirements and functional standards.
We manufacture high precision machined parts according to customer drawings and tolerance requirements. Depending on the part structure, material, and machining method, we can support strict dimensional control for critical features.
Different machining and finishing processes allow us to meet a variety of surface roughness requirements. Whether the part needs a standard machined finish or a smoother ground or polished finish, we can adjust the process accordingly.
Our quality control team carries out raw material checks, first article inspection, in-process inspection, and final inspection. This helps maintain consistency across every batch of precision CNC machined parts.
To ensure stable quality, we use professional measuring equipment such as:
Coordinate Measuring Machine (CMM)
Height Gauge
Vernier Calipers
Micrometers
Thread Gauges
Pin Gauges
Hardness Testers
Surface Roughness Testers
Optical Measuring Instruments
For export orders, we can provide material certificates, dimensional inspection reports, and other related quality documents according to project requirements. This makes us a dependable OEM machined parts supplier for long-term industrial cooperation.
Our custom precision machined parts are widely used in many industries where performance, durability, and dimensional accuracy are essential.
We manufacture brackets, housings, shafts, connectors, bushings, and structural parts used in automotive systems and assemblies.
Many precision machine parts are used in industrial equipment, automation systems, machine tools, and heavy-duty mechanical assemblies.
For aerospace projects, lightweight materials and precise machining are critical. We support precision parts for structural, fastening, and support applications.
Marine components often require excellent corrosion resistance and long-term durability. Stainless steel, aluminum, and titanium parts are especially popular in this field.
We produce machined components used in electrical systems, energy equipment, and high-demand industrial installations.
Custom housings, joints, brackets, shafts, and support parts are commonly used in automation lines and robotic equipment.
Aluminum and copper CNC machined parts are often used for housings, heat dissipation structures, conductive components, and device assemblies.
We manufacture a wide range of custom precision machined parts, including shafts, bushings, flanges, connectors, housings, brackets, sleeves, pins, and other non-standard machined components.
Yes. As a professional machined parts manufacturer and custom machining factory, we support custom production based on 2D drawings, 3D files, or physical samples.
We can machine carbon steel, stainless steel, aluminum alloys, brass, copper, titanium, and engineering plastics for different custom precision parts applications.
Yes. We are an experienced OEM machined parts supplier and can provide full support for customized dimensions, material selection, surface finish, and packaging.
Lead time depends on part complexity, material, order quantity, and finishing requirements. Samples and prototype projects are usually faster, while large-volume orders require production scheduling.
Yes. We support sample development, small batch orders, and wholesale machined parts production for long-term purchasing programs.
We provide CNC machining, turning, milling, drilling, tapping, grinding, heat treatment, deburring, and surface finishing for a full-service manufacturing solution.
We use standard inspection procedures and quality instruments such as CMM, micrometers, calipers, thread gauges, and roughness testers to control the quality of all precision machined parts.
Yes. As a professional precision parts exporter, we can provide relevant quality documents, inspection reports, and shipping support based on customer requirements.
Because we combine engineering support, flexible customization, strict quality control, and export experience. As a reliable cnc parts supplier, machined parts supplier, and China machined parts manufacturer, we help overseas customers source high-quality custom parts with greater efficiency and lower risk.
JIESHENG HARDWARE is a professional manufacturer that focuses on customizing High- Precision Hardware Spare Parts more than 20 years of experience.
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