+86 13824370059 paulchim@ltproto.com
We are a full service

Prototype Manufacturer

Your one-stop-shop for on-demand Rapid Prototyping, Sheet Metal Fabrication, CNC machining, Vacuum Casting and product development services. We provide turnkey product development, from concept to production to engagement at any stage in the process.

What we do

Liantuo is a manufacturing company providing on-demand plastic and metal part manufacturing services in prototype and production volumes. We pride ourselves in producing the finest quality products with on-time deliveries. View our manufacturing services below for a better understanding of our offerings and quality of work.

CNC Machining

Need CNC machining service for prototyping? We has focused on rapid prototyping and CNC machining for over 15 years. With our innovative design team, over 9000+ prototyping projects have been done.

3d printing

Rapid Prototyping

With expertise in a wide array of rapid prototyping technologies, LT Industry Limited is well-equipped to handle any prototyping project. Compared with CNC Machining Prototyping, Rapid Prototyping and 3D Printing have they own advantagies.

Vacuum Casting

Vacuum Casting is an extremely adaptable manufacturing process capable of mimicking the injection moulding to produce complex parts in polyurethane resins and cast nylon. The best choice for low volume production.

Injection Molding

Looking for an injection molding supplier? We can be your partner to take your company’s design, concept and manufacturing to the next level? LT Industry Limited located in Shenzhen China is a full-service custom plastic product facility

Sheet Metal Fabrication & Design

Sheet metal fabrication services are an inexpensive option for your manufacturing needs. We design your parts and offer custom sheet metal fabrication with machines that precisely cut, stamp, and form metal sheets into a completed part. 

Product Development

Our product development services make us different. The Industrial Design, 3D Scanning, Rapid Prototyping, Injection Molding, Reverse Engineering ensure that you have access to the resources that you need to create innovative products 

Our Latest Work

All the parts or the work of design were produced already. 

Product development
Product development
How to Make a Product

How to Make a Product

We’ll be breaking down the basics of bringing a new product to market, to help you get started with bringing your own idea to life.


About Manufacture

Are you a broker or a manufacturer?

We are a full service sheet metal and machining manufacturer with four U.S. production facilities across the nation allowing us to deliver your high-quality parts FAST.

Does your company manufacture in higher-volume quantities?

We focus on prototypes to low-volume production and can do larger runs. All our parts, from one – to 100 – to 1,000+ are always delivered with production-quality finish.

How fast can I get my order?

Lead time for standard orders is 7 business days. Expediting options are available, including emergency service – down to as fast as 1-2 business days, depending on complexity of work and materials.

About Design/Engineering

What file formats are required or suggested for requesting a quote?

We accept .STP, .DWG, .IGS, .PDF, Parasolid files, and more.

What if I need help with my part design?

We have a designer team, who estimate and discuss your specific job needs. Our expert team can help you move your project smoothly through the design process and to delivery.

If I do not have a CAD model, can you quote/fabricate my parts?

Yes, we can work directly from your drawings or the concept you have in mind. Additional engineering charge (NRC) may apply depending on complexity.