+86 13800138000 sales@longimpro.com

About Longim

“We are very excited about all the work Longim has done. They give their best work every time and don’t let us find a single fault in the work they do.”

Who We Are

Longim Prototype – Precision Manufacturing, Perfected

longim prototype factory

At Longim Prototype, we specialize in high-quality plastic injecton molding, rapid tooling, rapid prototyping, and precision surface finishing to bring your designs to life with speed, accuracy, and excellence. With years of expertise in additive manufacturing and traditional techniques, we empower industries—from automotive and aerospace to consumer electronics and medical devices—to bridge the gap between concept and production. Our commitment to cutting-edge technology, rigorous quality control, and customer-centric solutions ensures that every prototype or end-use part meets the highest standards of performance, durability, and aesthetics. Whether you need low-volume production, functional testing, or flawless surface finishes, Longim Prototype is your trusted partner for innovation, reliability, and results.

Why Us

Why Choose Longim Prototype?

Precision & Quality

Advanced prototyping and manufacturing with tight tolerances and rigorous QA.

Fast Turnaround

Rapid prototyping, rapid tooling and production to meet your tight deadlines.

Wide Range of Services

From rapid tooling, plastic injection molding, 3D printing and vacuum casting to CNC machining and surface finishing.

Material Versatility

Work with plastics, metals, elastomers, and composites for diverse applications.

Cost-Effective Solutions

Competitive pricing for prototypes, molds, and low-volume production.

Industry Expertise

Trusted by automotive, aerospace, medical, and consumer electronics innovators.

End-to-End Support

From design optimization to final finishing—we’ve got you covered.

Reliable Partner

Consistent results, on-time delivery, and clear communication.

Our Value

Mission and Vision

Mission

We partner with innovators to transform concepts into high-performance products, leveraging advanced 3D printing, CNC machining, and rapid tooling. With 10+ years of expertise, we’ve enabled:

  • 500+ clients to reduce prototyping costs by 40%
  • 80% of projects to meet production-ready standards in 2 iterations or fewer
  • Medical, aerospace, and automotive leaders to scale from 1 to 100,000 units seamlessly

Vision

To pioneer the future of manufacturing by becoming the world’s most trusted rapid prototyping partner—where innovation meets precision at scale. We envision a world where:

  • Every product developer can iterate designs 30% faster with our AI-driven prototyping solutions.
  • 95% of prototypes achieve first-time functional perfection, eliminating costly rework.
  • Sustainable materials and processes reduce industry waste by 40% without compromising performance.