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High Quality Parts
We use compliant raw materials and ensure batch part consistency through standardized processes; continuously optimize production workflows to balance quality and delivery efficiency.
On-Demand Manufacturing Services
JS Precision provides on-demand manufacturing for custom parts, prototypes, bridge production, and low-volume production using CNC machining, sheet metal fabrication, 3D printing, casting, molding, finishing, and assembly support.
- Multi-Process Manufacturing: CNC machining, sheet metal, 3D printing, casting, molding, finishing, and assembly in one workflow.
- Fast Digital Quoting: Upload drawings or CAD files to receive pricing, lead time, and manufacturability feedback quickly.
- Flexible Volumes: Support prototypes, pilot runs, bridge production, and repeat production without rigid minimums.
- Quality-Controlled Delivery: Coordinate manufacturing, inspection, finishing, packaging, and shipment for ready-to-use parts.
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Trusted by Engineers and Purchasing Leaders at the World's Most Successful Companies
15+Years Manufacturing Experience
500,000+Custom Parts Delivered
1,200+Global Clients Served
99.5%On-Time Delivery
ISO9001:2015 Certified
Trusted bynumerous companies
JS Precision supports on-demand manufacturing projects for teams that need custom parts quickly, with flexible process selection and consistent production quality.
JS Precision's On-Demand Manufacturing
JS Precision efficiently responds to your diverse on-demand manufacturing needs. With flexible manufacturing experience and technical reserves, we can quickly advance all types of on-demand production projects: relying on full-process-capable factories, we achieve fast delivery at competitive prices while controlling costs; meanwhile, our professional engineering team provides adaptive design suggestions and efficient solutions, helping you obtain high-quality finished products that meet your needs.
Our On-Demand ProductionServices
CNC MachiningPlastic Injection MoldingSheet Metal Fabrication3D PrintingVacuum CastingDie CastingExtrusionSpring ManufacturingGear Manufacturing
CNC Machining
CNC machining is an efficient numerical control process that drives machining equipment via pre-programmed software and code. It enables batch processing of complex-structured parts made of multiple materials (metal, engineering plastic), suitable for scenarios such as automotive functional parts, robot structural components, and general industrial equipment assemblies.
| Type | Tolerance |
|---|---|
| Linear dimension | +/- 0.025 mm (+/- 0.001 inch) |
| Hole diameters (not reamed) | +/- 0.025 mm (+/- 0.001 inch) |
| Shaft diameters | +/- 0.025 mm (+/- 0.001 inch) |
| Surface Finish | +/- 0.025 mm (+/- 0.001 inch) |
| Part size limit | 950 * 550 * 480 mm (37.0 * 21.5 * 18.5 inch) |
Plastic Injection Molding
Plastic injection molding is an efficient forming process that melts resin materials and injects them into molds under high pressure. It enables high-volume manufacturing of multi-category plastic parts, adapting to production needs in consumer electronics, home appliances, and automotive accessories, combining the flexibility of rapid mold change with controllable bulk costs.
| Standard capabilities | Description |
|---|---|
| Mold cavity tolerances | +/- 0.05 mm |
| Standard lead time | 15 business days or less |
| Part to part repeatability | +/- 0.1mm |
| Production grade | 1-100,000 cycles |
Sheet Metal Fabrication
Sheet metal fabrication is an efficient processing technology that converts flat sheets of steel, aluminum, etc. into multi-category metal structures via flexible CNC processing, rapid bending forming, and standardized assembly welding. It adapts to scenarios such as consumer electronics brackets, general equipment enclosures, and small fixtures, balancing production flexibility and delivery efficiency.
| Dimension detail | Tolerance |
|---|---|
| Edge to edge, single surface / Edge to hole, single surface / Hole to hole, single surface | +/- 0.005 inch |
| Bend to edge / hole, single surface | +/- 0.010 inch |
| Edge to feature, multiple surface / Over formed part, multiple surface | +/- 0.030 inch |
| Bend angle | +/- 1 degree |
3D Printing
3D printing is a flexible manufacturing process that converts digital 3D/CAD models into physical parts quickly based on additive manufacturing technology. It adapts to scenarios such as rapid product iteration prototyping and small-batch custom part production, supporting flexible switching between multiple process types (FDM/SLA/SLS) while balancing forming efficiency and cost control, helping shorten product R&D cycles.
| Standard capabilities | Description |
|---|---|
| Maximum build size | 900 x 600 x 900 mm in FDM; up to 1500 x 750 x 500 in SLA; 750 x 550 x 550 mm in SLS |
| Standard lead time | Up to 50 parts in 7 working days or less |
| Dimension Tolerances | 0.1mm |
| Wall Thickness | FDA: +/-1mm; SLA: +/-0.2mm; SLS: +/-0.7mm |
| Production grade | Over 50 parts |
Vacuum Casting
Vacuum casting is an efficient small-batch manufacturing process that enables precise material injection into molds via a vacuum environment. It can quickly replicate the structure and details of prototype parts, adapting to scenarios such as rapid product trial production and multi-category small-batch customization, combining forming efficiency and cost advantages to help shorten the verification cycle before product launch.
| Standard capabilities | Description |
|---|---|
| Maximum build size | +/- 0.025 mm (+/- 0.001inch) |
| Standard lead time | Up to 20 parts in 15 days or less |
| Dimensional accuracy | +/- 0.05 mm |
| Layer thickness | 1.5mm - 2.5mm |
Die Casting
Die casting is a mass-forming process that injects molten metals into molds via efficient die-casting equipment. It enables large-scale production of parts made of aluminum alloy, zinc alloy, etc., adapting to mass demand scenarios such as automotive accessories and general mechanical components, balancing manufacturing costs and delivery efficiency while ensuring the basic strength of parts.
| Standard capabilities | Description |
|---|---|
| Maximum build size | 300 mm x 650 mm |
| Standard lead time | Up to 20 parts in 15 days or less |
| Dimensional accuracy | +/- 0.05 mm |
| Layer thickness | 1.5mm - 2.5mm |
Extrusion
Extrusion is a mass manufacturing technology that obtains profiles with specific cross-sections by passing metal materials through customized dies via efficient plastic deformation. It adapts to mass demand scenarios such as industrial frames and general guide rails; supports flexible post-processing adaptation, can quickly match finished processing requirements of different specifications, balancing production efficiency and cost control.
| Standard capabilities | Description |
|---|---|
| Press sizes | 450T - 3000T |
| Standard lead time | 2 weeks for small molds, 4 weeks for larger molds |
| Minimum order volume | 0.5 ton aluminum for smaller machines, 10 ton of 6063 aluminum for larger machines. |
| Post-processing | Full service CNC cutting, threading, slotting, face milling, etc. |
Spring Manufacturing
Spring manufacturing is an efficient manufacturing technology that processes metal wires into elastic components through automated winding and standardized processes. It adapts to mass demand scenarios such as automotive accessories, home appliance hardware, and general machinery, stably delivering spring products that meet basic elastic performance requirements while balancing production efficiency and cost control.
| Standard capabilities | Description |
|---|---|
| Wire diameter | 0.2mm - 18mm |
| Spring type | Compression/Tension/Torsion springs |
| Dimensional accuracy | +/- 0.05mm |
| Standard lead time | Up to 1000 pcs in 7 working days |
| Fatigue life | >=500,000 cycles |
| Post-processing | Galvanizing, passivation, etc. |
Gear Manufacturing
Gear manufacturing is an efficient manufacturing technology that processes metal materials into gear components suitable for general transmission scenarios through automated CNC processing. It is widely used in general mechanical gearboxes, automotive chassis components, home appliance transmission mechanisms, etc., stably delivering gear products that meet basic meshing requirements while balancing production efficiency and bulk cost advantages.
| Standard capabilities | Description |
|---|---|
| Module range | 0.8mm - 18mm |
| Gear type | Spur/Helical gears |
| Tooth profile tolerance | ISO 7 class |
| Dimensional accuracy | +/- 0.03mm |
| Standard lead time | Up to 100 pcs in 7 working days |
| Fatigue life | >=1,000,000 cycles |
| Post-processing | Quenching, sandblasting, etc. |
Why Choose JS Precision as Your Manufacturer
JS Precision helps you quickly implement diverse manufacturing needs while balancing efficiency and cost, relying on a flexible production system, efficient delivery pace, and adaptive engineering support.
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Fast Lead Time
Relying on flexible in-house production supply chain and professional team, we can flexibly respond to delivery time and volume requirements, ensuring orders are delivered on time.
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Engineering Support
Our professional engineering team provides order adaptation advice, process optimization and demand matching support to facilitate efficient production implementation.
Howit Works
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Upload design file
Upload your design drawings (compatible with multiple industrial formats). We will obtain the files promptly and conduct preliminary process adaptability verification to efficiently advance pre-production workflows.
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Request for Quote
The manufacturing team will respond within 24 hours, providing quotation plans including process selection and cost breakdowns to facilitate rapid decision-making.
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Get Part Delivered
Rely on the flexible production and efficient logistics system to complete part production and delivery as needed; support flexible partial shipment or fixed scheduling, ensuring delivery efficiency and cost control.
