
Accelerating Your Innovation
Simplify Sourcing, Speed Up Innovation
We help you achieve both speed and quality in product development by solving challenges across design, sourcing, and manufacturing through a single, one‑stop solution. With our one‑stop approach, you are freed from the complexity of coordinating multiple suppliers and managing custom part procurement.
We support a wide range of manufacturing processes, including CNC milling, CNC turning, sheet metal fabrication, welding, and wire EDM. By simplifying the sourcing of large volumes of custom parts required for product manufacturing, we help you improve efficiency and focus on what matters most — innovation.In addition, our in‑house high‑speed CNC prototyping enables lead times as short as five days, further accelerating the development of industrial equipment and new products.
Please leave everything to us

Purpose
Follow your dreams.
We’ll stand by your side.

Value
We handle all types of custom parts — regardless of material, quantity, or complexity — through a single point of contact. This broad network expands your sourcing options and dramatically improves procurement efficiency and flexibility.
Your Vision, Our Solution

Global Manufacturing
Source a wide variety of custom parts through a single, unified process.
Even complex and diverse drawings can be handled efficiently under one roof.

High‑Speed CNC Prototyping
With our 24/7 automated machining systems, your ideas can become real parts in as little as five days.

Fast Quoting Response
Our technical specialists provide rapid and accurate quote responses, helping you move development forward without delay.

Uncompromising Quality
All parts undergo 100% inspection by trained inspectors at our dedicated quality control centers, ensuring reliability and consistency.
Get in touch with us
California Office / Factory
Email: sales@hilltop21.com
Phone: +1 (949) 680-2525
Location: 51 Parker, Irvine CA 92618
Opening hours: 8:00 AM – 5:00 PM Pacific time
Texas Office
Email: sales@hilltop21.com
Phone: +1 (972) 632-0551
Location: 6600 Chase Oaks Blvd, Suite 150, Plano, Texas 75023
Opening hours: 8:00 AM – 5:00 PM Central time