silicone rubber parts manufacturing

Custom Silicone Parts


  • LSR INJECTION Specializes in the rapid manufacture of simple or complex silicone rubber parts including gaskets, seals, valves, O-rings, and more.
  • We provide free quotations, free product design, and free samples.

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ISO9001:2015 | FDA | COC | CPC | SGS | BSCI | CE | ROHS

Low-Cost, High Quality, One Stop Service



Design & Technology Consultant

We have a team of experienced designers and engineers to provide you with comprehensive free technical support for silicone parts.


Design & Technology Consultant

We manufacture complex parts with automated compression molding and injection molding machines, ensuring production quality and efficiency.


Design & Technology Consultant

We provide the fastest lead-times service, 3 days mold making and prototype production, 10 days fast delivery.

Silicone Product Custom & Design

Design Example

Your Exclusive Silicone Parts Solution

We will provide you with personalized design ideas according to the application scenarios of your parts. We provide your exclusive mold making service. The whole process of cooperation is dedicated to serving you.

After receiving the order, our engineers will fully understand your needs. The first step is to build a visual digital prototype of the product through CAD. The second step is to use the CNC platform to manufacture the mold, which is used to produce the prototype to evaluate its mass producibility .


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medical silicone molding
silicone manufacturer
medical silicone manufacturer
silicone injection molding

Factory Display

LSR INJECTION Silicone Parts Molding Process

LSR INJECTION has been focusing on silicone rubber parts manufacturing for many years, our production line can meet the customized service of silicone rubber parts of various materials and specifications, including high-performance liquid silicone rubber parts.

We select the silicone material that best suits the performance of your desired product based on your custom needs. It is then fed into a mold that is assembled in an injection molding machine. We digitally control the machine to ensure consistent parts size. Then, by applying high temperature and High pressure to achieve the curing of raw materials to finished parts. Based on the thermosetting physical properties of silicone, the parts will be permanently stable.


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Professional Silicone Parts Manufacturer

We are a professional medical silicone OEM. In addition, Our business scope also includes but is not limited to automotive, electronics, personal care products. We have been specializing in the custom production of medical silicone for 10 years, creating huge commercial benefits for many companies.

Our raw materials are high quality liquid silicone rubber (LSR) and high consistency silicone rubber (HCR) .Material catalyst, color and other specifications can be customized.

Our production process is silicone compression molding and silicone injection molding, overmolding, multi-shot molding, etc. In addition, we are also equipped with a class 8 clean workshop.

We stand ready to help you determine the right silicone parts for your next project from our wide selection of sizes and materials.


Other Product Cases

silicone o ring

Custom Silicone O-Rings

An O-ring is an elastic washer commonly found in mechanical equipment. It provides cushioning and sealing in gaps between two or more mechanical elements.

Application areas: food industry, automobile manufacturing, medical equipment, electronic products.

  • Anti-ozone, anti-ultraviolet, anti-atmospheric aging
  • Withstands temperatures from 60F to 500F
  • Shore hardness from 30 to 90
  • Chemically inert and highly insulating
  • Food Grade, NSF-51, USP Class VI
silicone gasket

Custom Silicone Gasket

Silicone seals are represented by silicone gaskets, and we customize the production according to the specifications you need.

  • Absorb shock, increase friction, protect electronic components
  • Dustproof and waterproof, providing a high-level sealed environment
  • Provides environmental sealing and high and low temperature stability
  • Hardness from 30 durometer to 80 durometer
  • Comply with UL 94, FDA standard
  • Non-toxic, odorless and chemically inert
Other Silicone Rubber Parts


  • custom silicone parts
  • silicone seals
  • silicone gaskets
  • silicone o rings

  • silicone profiles
  • silicone stripes
  • silicone plugs
  • silicone keypads

  • silicone washers
  • silicone diaphragms
  • silicone tubes
  • silicone sheets

  • silicone sleeves
  • silicone bellows
  • silicone valves
  • silicone connectors

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    Get In Touch

    E-mail: [email protected]

    Xiamen (+86 181 2075 8109)

    Shenzhen (+86 181 4415 9203)

    https://lsrinjection.com


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    Room 210, No. 89, Tianan Road, Jimei District, Xiamen, ChinaHK (Branch office, +86 181 2075 8109) Monterrey (Branch office, +52 181 8309 8486)Valencia (Branch office, +34 626 039 870)

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