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A Unique Manufacturing Partner

Over 20 years of experience working with Chinese manufacturing partners to deliver quality components and assemblies — from prototype to full-scale production.

Our Services Get in Touch

About US Grant Technologies

Founded in 1999, US Grant Technologies began as a sourcing partner for connectors and cable assemblies in China, serving electronics companies in Silicon Valley.

Over two decades, we evolved into a full-service manufacturing and engineering partner by emphasizing quality management and long-term business relationships.

With facilities in Watsonville, California and Beijing, China, we offer around-the-clock support for a growing list of domestic and international clients across diverse industries.

20+
Years Experience
2
Global Facilities
100+
Clients Served
US Grant Manufacturing Facility

Comprehensive Manufacturing Services

We manage a carefully developed network of manufacturing partners to deliver quality custom components and assemblies across a wide spectrum of disciplines.

Die Casting

High-precision metal parts using zinc, aluminum, and magnesium alloys for automotive, electronics, and industrial applications.

Extrusion

Custom aluminum and plastic profiles for structural, thermal, and aesthetic applications with tight tolerances.

Metal Injection Molding

Complex, high-strength small metal parts ideal for medical, aerospace, and consumer electronics.

Plastic Injection Molding

High-volume production of durable plastic components with excellent surface finish and consistency.

Compression Molding

Ideal for rubber and silicone parts, gaskets, and seals requiring high resilience and environmental resistance.

Precision Machining

CNC turning and milling for tight-tolerance metal and plastic components used in critical applications.

Ultrasonic Welding

Clean, fast joining of thermoplastics without adhesives or fasteners, ideal for medical and electronic enclosures.

Blow Molding

Production of hollow plastic parts such as containers, housings, and fluid reservoirs.

Metal Stamping

High-speed production of sheet metal components including brackets, enclosures, and connectors.

Advanced Engineering Services

From concept to production, our engineering team ensures seamless development and manufacturing transitions.

SolidWorks 3D Modeling

Design Engineering

Prototype Production

DFM Review

Thermal Testing

Water Ingress Testing

Quality Management

Light Assembly

Custom Products & Components

We design and manufacture high-quality, application-specific components tailored to your engineering requirements.

Custom U-Bolt

Custom U-Bolts

Precision-stamped metal U-bolts for industrial, automotive, and construction applications.

Dual SIM Card Tray

Dual SIM Trays

Miniature stamped and formed trays for consumer electronics with tight dimensional control.

Custom Antenna

Custom Antennas

RF antennas designed and tuned for wireless devices including IoT, medical, and industrial systems.

Cable Assemblies

Cable Assemblies

Custom wiring harnesses and cable solutions with connectors, shielding, and overmolding.

Heatsinks

Heatsinks

Extruded and machined aluminum heatsinks for thermal management in power electronics.

Custom Connectors

Custom Connectors

Engineered interconnect solutions for high-reliability and harsh-environment applications.

Gaskets & Seals

Custom Gaskets & Seals

Silicone, rubber, and foam seals for IP-rated enclosures and environmental protection.

Membrane Switches

Membrane Switch Overlays

Tactile user interfaces with graphic overlays, backlighting, and environmental sealing.

20+
Years in Business
2
Global Facilities
50+
Manufacturing Partners
1000+
Components Delivered

Frequently Asked Questions

Where are your manufacturing facilities located?

We have headquarters in Watsonville, CA and a facility in Beijing, China, enabling 24/7 support and coordination.

What industries do you serve?

We support medical, industrial, consumer electronics, automotive, and IoT sectors with custom manufacturing solutions.

Can you help with prototyping?

Yes, we offer full prototype production, 3D modeling, DFM review, and testing to ensure a smooth transition to volume manufacturing.

Do you offer design engineering support?

Absolutely. Our engineering team collaborates from concept through production, ensuring optimal design and manufacturability.

Get in Touch

Ready to start your next project? Contact us today to discuss your manufacturing and engineering needs.

Contact Information

Headquarters: 125 Hangar Way #150, Watsonville, CA 95076
Beijing Facility: Beijing Haidian District, 1525 Huabao No. 5, Lianhuayuan, China 100036
Business Hours: Monday–Friday, 8:30 AM – 5:00 PM (PST)

Visit Our Website

For more information about our services and capabilities, visit the official US Grant Technologies website.

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