Sindparts | On-Demand Manufacturing & Custom Parts in China

The First Supplier That Practices “We Don’t Just Work For You But With You”

Sindparts is a leading precision custom parts manufacturer based in China, offering on-demand manufacturing services for global clients. We specialize in CNC machining, die casting, injection molding, and rapid prototyping.

With over 1.9 million precision parts manufactured annually, we deliver consistent quality, competitive pricing, and on-time global shipping. Our mission is to be your trusted partner from design to delivery.

99.7%

Customer Satisfaction

2K+

In-House Orders

<2h

Response Time

Defect Rate

Our Manufacturing Capabilities

Scalable solutions for custom manufacturing — from rapid prototyping to volume production.

CNC Machining

3, 4, and 5-axis CNC machining, turning, milling, drilling, and mill-turning services for high-precision metal and plastic parts.

• Aluminum, Stainless Steel, Brass, Titanium
• Tolerances down to ±0.005mm
• Fast turnaround from prototype to production

Injection Molding

Custom plastic injection molding with tooling design, rapid prototyping, and batch manufacturing.

• ABS, PC, PP, Nylon, POM
• Multi-cavity molds for high volume
• Surface finishes: matte, glossy, textured

Die Casting

Precision die casting parts with multi-cavity molds for cases, enclosures, brackets, and housings.

• Zinc, Aluminum alloys
• High dimensional accuracy
• Ideal for complex geometries

Sheet Metal Forming

Bending, deep drawing, stamping, and press braking for custom sheet metal components.

• Steel, Aluminum, Stainless Steel
• Laser cutting & CNC punching
• Welding & assembly services

Rapid Prototyping

Speed up your product development with fast, cost-effective prototyping from 3D models or drawings.

• CNC, 3D printing, vacuum casting
• 3–7 day turnaround
• Design for manufacturability feedback

Volume Manufacturing

Mass production with automated lines, strict quality control, and flexible batch sizes.

• 100% inspection capability
• FAI, AQL sampling
• JIT delivery options

Custom Parts We Manufacture

High-precision components for automotive, medical, aerospace, and industrial applications.

Copper Electroplated Components

High-conductivity parts with precision plating for electrical and thermal applications.

Material: Copper, Brass

Process: CNC + Electroplating

Tolerance: ±0.01mm

Rapid Prototypes

Functional prototypes for design validation and testing.

Materials: ABS, Nylon, Aluminum

Lead Time: 3–7 days

Processes: CNC, 3D Printing

Sheet Metal Enclosures

Custom enclosures, brackets, and chassis with bending, stamping, and welding.

Materials: Steel, Aluminum

Thickness: 0.5–3mm

Finishes: Powder coating, anodizing

Aluminum Die Cast Housings

Lightweight, durable housings for electronics and industrial equipment.

Alloy: ADC12, A380

Process: High-pressure die casting

Post-machining available

Precision CNC Machined Parts

Complex geometries with tight tolerances for critical applications.

Materials: SS304, SS316, 6061, 7075

Processes: 5-axis CNC, turning

Inspection: CMM, FAI reports

Plastic Injection Molds & Parts

Custom molds and high-volume plastic components.

Materials: ABS, PC, PP, POM

Mold Life: 100K+ cycles

Lead Time: 3–6 weeks

Stainless Steel Medical Components

Biocompatible, corrosion-resistant parts for medical devices.

Grade: SS316L, SS17-4PH

Processes: CNC, passivation

Compliant with ISO 13485

Titanium Aerospace Fittings

High-strength, lightweight components for aerospace applications.

Grade: Ti-6Al-4V

Processes: 5-axis CNC

FAI & NDT inspection

Why Choose Sindparts?

Guaranteed Quality

AQL sampling, 100% automated inspection, FAI, and unannounced audits ensure zero-defect delivery.

Fast Turnaround

97.5% response rate within 2 hours. Rapid prototyping in 3–7 days.

Global Delivery

Shipped worldwide with flexible options and full documentation support.

Competitive Pricing

Direct factory pricing with optimized processes and low overhead.

China Quality Suppliers fobcompany.info

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On-Demand Manufacturing from China