Plastic Molding Manufacturing

Custom Plastic / Rubber / Silicone / Metal Parts

Rapid Prototyping / Mold Building / Injection Molding

Plastic Injection Molding Service

Your One-stop Supplier for Customization

Sung Precision Mould & Plastic Co., Ltd is one of China’s leading plastic molding manufacturers. Plastic molding and injection mold are our core. We have 18 years of plastic products manufacturing experience, advanced Japanese TOSHIBA machines and constant temperature workshops.

Our one-stop service includes rapid prototyping, custom injection mold, plastic molding service, CNC machining, metal stamping, surface finishes, etc. throughout the entire process from customer product development to high volume production. We provide plastic injection molding and contract manufacturing in household appliance, consumer, electronics, LED lens, industrial, automotive, and energy markets. The customized products involve more than 100 kinds of plastic, rubber, silicone and metal materials.

When choosing Sungmould, you get an expert partner throughout the production cycle. Timely, professional, effective and easy communication is always with you. We are ready to bring your product from concept or drawing to reality. Contact us to get a free quote and project research.

Plastic Molding Manufacturing & Contract Machining Services

From Product Design to Fulfiliment,We Do It All. 

A full-service manufacturer specializing in engineering, prototyping, precision machining and plastic injection molding.
Custom Precision plastic injection mold

Plastic Mold Building

A properly designed and constructed injection mould tool is the key to efficiently processing plastic parts during the entire life of the project. We provide everything from concept development to manufacturing services.

custom plastic injection parts plastic molding services

Plastic Molding Manufacturing

Mass production through plastic injection molding can ensure product accuracy, functionality, and surface finish. We provide plastic injection, insert and overmolding services to meet customer demand for products.

Quick Prototyping

Rapid Prototyping

To test your new product or part before taking it to production, a rapid prototype ensure it has been designed appropriately for manufacturing. 1-100 Quantity, within 3 days by 3D printing, CNC machining, and other techniques.

3 axis cnc service 5 axis cnc machining china

CNC Machining

High production efficiency, stable quality, excellent appearance, and suitable for a variety of materials. No matter it is a simple or complex design, or it is a prototype or a large batch, it can be easily customized.

3d printing prototype and sls sla fdm rapid prototyping service

3D Printing Service

3D prototyping is very popular. The 3D printing service has a fast production speed and stable product quality, making it easier to meet customer needs for products with multiple colours and complex structures.

sheet metal stamping manufacturing

Metal Stamping Process

Many products require the use of sheet metal to manufacture steel and aluminium housings, brackets, mounting plates and other accessories. We can provide sheet metal stamping/bending/drilling services for your project.

metal parts die casting service

Pressure Die Casting

Full-service custom services of high volume and high pressure die casting. Alloys used include aluminium and zinc. Applications: automotive, lamp, electronic, communicate, power tool and hardware.

Surface Finishing after plastic injection molding

Surface Finishing

We offer various finishing services treatments for metal, texturing/ text / heat_treatment / nitriding for plastic injection mould tools, painting/silkscreen/electroplating for plastic products, and many more.

injection molding and assembly

Assembly & Packaging

From product design to the final completion of your project, we provide one-stop service, including product assembly, customized packaging, transportation and warehousing services. We are happy to serve you with these.

Take A Tour of Our Manufacturing Capacities

Trusted by Top Engineers and Designers


Industries Served

As one of the best plastic mold and injection molding companies in China, our capabilities and expertise can be applied in many different markets. With decades of experience, we understand the particular demands of your industry.
auto part accessories plastic molding manufacturer


household appliances casing injection molding manufacturing


Electronic plastic case injection molding manufacturer in China


Sports bottle injection blow molding production


acrylic optical led lens street light fresnel lens molding manufacturing


Precision plastic gears injection molding manufacturing


Why Our Customers Over The World Love Work With Us?

18+ Years in Business
1000+ Companies Served
0.3B+ Parts Manufactured
99% Satisfaction

Saving Your Time

As an agile and resourceful partner in your projects, our professional technical team and business team will make everything simpler and more efficient.

Saving Your Cost

Excellent quality is the core of all cooperation. While ensuring quality, we will save you more costs through excellent production capacity and cost control.

Reduce Your Risk

You will reduce risk and 70% volume of work. Our one-stop services will shorten your supply chain, every step will cooperate more closely,and our strict quality control will make you worry-free.

See How It Was Made

Please read our production cases of project customization. Hope they are helpful to you and become a bridge for our communication. If you have similar needs for custom products, please contact us to experience our professional services. Read more cases…

Bus Card Reader Injection molding Manufacturing Service

One-stop Service of Prototyping, Mold Making & Injection Molding

water to go bottle manufacturer

Plastic Molding and Blowing Molding Manufacturing

strip diffused wide angle acrylic optical led lens manufacturers ledil lens recessed street light epoxy led fresnel lens

Transparent LED Lens Manufacturing Solutions


How soon can I get a quotation?

  • Normally, we will get back to you within 24 hours after getting your detailed drawings and requirements.
  • If projects include many different parts, we will try our best to get back asap.

What type of design files does Sungmould accept for quoting?

    In order to provide an accurate and timely quote, please try to provide complete manufacturing information.

  • We accept 3D CAD files in STL, STEP, IGES, UG files, SLDPRT, or X_T format.
  • 2D drawings in DXF, DWG, PDF with reference dimensions.
  • Product Material you demand or suggested by us and the Order Quantity.

I have no 3D drawing or 2D drawing , can Sungmould make design drawings for me?

  • If you have a similar sample, you can provide it to us for reference and we will design it.
  • If it is still an idea, please tell us your ideas as much as possible, and our design team and engineering team will assist you in realizing the product design.

How do I know my design will be kept confidential?

  • We of course will sign and adhere to any non-disclosure or confidentiality agreement. We also have a strict policy within our factory that no photographs are ever allowed of a customer’s product without express permission. Ultimately never allowing any proprietary information to be disclosed to a third party.

What is the normal process of a new project?

  • It usually begins with a drawing/sketch or similar samples.
  • We then collect the data required for the project quote and any special material requirements if you may have. After study of your material & through our interview process, we will complete your quote.
  • If the project is approved, we ask for an initial advance payment of 50% of the cost to cover material costs, and the manufacture begins.

How does Sungmould ensure the quality of my products?

  • Once your order is confirmed, we will perform a full Design for Manufacturing (DFM) review to point out any issues that our engineers feel may affect the quality of your products.
  • We have the ability to share the production progress with you in real-time so that we can jointly solve any problems that may be encountered in the production process and ensure the smooth completion of the project.

Get a free quote and design analysis today.

You can use this form to send your inquiry and files. We will reply you in 12 hours.

+86 139 2927 4777 (WhatsApp, Wechat)