End the precision dilemma of silicone parts!

20 years of specialization, to define "micron silica gel mold" and new standards for high-efficiency mass production for you.

core value

Get free DFM reports and customized solutions immediately.

✓ Micron precision

Relying on the whole process quality management, the tolerance of key dimensions is stably controlled within 0.05 mm.

✓ One stop delivery

From mold, silicone/plastic molding to secondary processing and assembly, one interface is fully responsible.

✓ technical barrier

Specializing in complex inverted, multi-cavity layout, liquid silica gel (LSR) and other difficult molds, it has been verified that the mold life exceeds 500,000 times.

✓ Risk sharing

Provide in-depth DFM report for free, avoid risks from the design source, and ensure your project to be “successful once”.

Deep engineering

Constructing an insurmountable micron moat [Silicone Mould]
Specializing in silica gel compression and LSR mold that challenges the limit.
We are well aware that mediocre molds cannot achieve excellent products. Therefore, we focus on tackling difficulties:

Complex structure expert

In view of the design challenges such as deep bone position, fine back buckle, multi-slide linkage and ultra-thin silicone parts (wall thickness < 0.2mm), we have mature die structure scheme and processing experience.

LSR precision injection technology

Expertise, an independent LSR cold runner and dispensing system, can effectively solve the problem of bubbles and flow marks in LSR molding, especially suitable for microfluidic chips, baby bottle straws and other products that require high cleanliness and transparency.

Application of materials science

We have established cooperation with top suppliers of raw materials such as Wacker and Mai Tu, which can test the properties of materials in advance for you, and provide guidance on the application of special formulas such as high temperature resistance (> 250°C), chemical corrosion resistance and high tear resistance.

All-material matrix

Your product application scenario determines our material selection and process path.

Biocompatibility field

We are proficient in medical-grade LSR (liquid silicone rubber) and solid silicone rubber, and fully meet the stringent biocompatibility standards such as USP Class VI, ISO 10993. Applicable to:
Implantable devices: pacemaker seal, nerve stimulator coating, drug delivery element.
Non-implantable instruments: respiratory mask, medical catheter, puncture cover, surgical instrument handle coating.
Value guarantee: produce in a 10,000-class dust-free workshop to ensure the purity of products, and provide complete biocompatibility test report support to accelerate the registration and listing of your products.

Food contact field

We provide a full range of food-grade silica gel and rubber with complete certification (FDA 21 CFR, LFGB, EU 10/2011) to meet the global mainstream market access requirements. Widely used in:
Kitchenware and tableware: baby bottle straw, baking mold, spatula coating, ice cube.
Sealing parts: water dispenser sealing ring, coffee machine pipeline, food packaging mechanical seal.
Value guarantee: the material is odorless, resistant to high and low temperatures, and anti-aging, ensuring that it is still safe and stable in the environment of long-term contact with oil, acid and alkaline food.

Special industrial field

We have successful experience in handling special industrial materials to help your products run stably in extreme environments:
Conductive/heat conductive silica gel: used for EMI electromagnetic shielding, heat conductive gasket and protection of precision electronic products.
Flame-retardant rubber: meets UL94 V-0 standard, and is suitable for scenes with high safety requirements such as electrical enclosure and charging equipment sealing.
Self-adhesive silica gel: It can be firmly bonded with various plastics and metals during vulcanization, simplifying the assembly process.
Value guarantee: solve your core pain points in high temperature resistance (> 250°C), chemical solvent resistance, oil resistance and ozone resistance.

Electronic product field

In view of the ultimate pursuit of aesthetics, touch and function of consumer electronics products, we provide exclusive material solutions:
Silicone gel with high tear strength: used for ultra-thin and easy-to-disassemble sealing rings of electronic products (such as waterproof sealing of drones and sports cameras), greatly improving durability and yield.
Excellent tactile glue: provide skin-like delicate and smooth tactile sensation, and improve the appearance texture and user experience of smart wearable devices, headphones, beauty instruments and other products.
Balance of flame retardant and heat conduction: provide solutions integrating flame retardant, sealing and heat conduction functions for charging piles, power adapters and other equipment.
Value guarantee: the material color is accurately allocated, and the Pantone color number is supported to meet your strict requirements for product color.

Sports outdoor level field

Specially designed for outdoor sports products, with excellent physical properties and long-term weather resistance;
High tear resistance and wear rubber: used for diving breathing tube, sports watch strap, trekking pole handle, which can withstand high-strength tension and friction.
Weather resistance and ultraviolet resistance: it will not harden or crack when exposed to outdoor ultraviolet, ozone and humid environment for a long time, and it will remain elastic.
Wide temperature range adaptability: flexibility and sealing performance are still maintained in the extreme temperature range from-60 C to 200 C.
Value guarantee: prolong the service life of products in harsh outdoor environment and enhance the reliable image of the brand.

High transparency field

For applications requiring high light transmittance, we provide optical-grade solutions:
High-transparency LSR: the transmittance is ≥90%, and the color is pure as water. It is used for packaging optical lenses, light pipes and LEDs.
Low refractive index/high refractive index silica gel: meet the requirements of specific optical design.
Anti-fogging coating and integrated molding: it can be built-in anti-fogging function for transparent silica gel parts or integrated molding with optical lenses.
Value guarantee: strictly control impurities and bubbles in the injection molding process to ensure the imaging quality and aesthetics of optical components.

Traceable quality system

Accuracy is not a slogan, but the result of system and equipment guarantee.

Quality cornerstone

We not only operate under the ISO 9001 system, but also deepen the standards of IATF 16949 (automobiles) and ISO 13485 (medical devices) to understand the special compliance requirements of your industry.

Whole process detection

From ultrasonic flaw detection of die steel, to CMM detection after CNC machining (accuracy ±0.002mm), and then to SPC statistical process control in production, we have built a closed loop of quality control throughout.

Data traceability

Every set of molds and every batch of production has a complete test report and data record, which provides you with a solid quality certificate and easily responds to customer and third-party audits.

Engineering empowerment

Free DFM, killing risks in the blueprint.More than 20 years of expert team, in the drawing stage to escort you.

Suggestion on demoulding angle

Avoid product strain and deformation caused by poor demoulding.

Parting line positioning

Minimize the impact of flash on appearance and function.

simulation analysis

Predict and eliminate defects such as trapped air and shrinkage.

Precise compensation

According to the characteristics of different silica gel materials, differential compensation is carried out in the mold design stage to ensure that the final size is 100% in line with expectations.

Efficiency guarantee and integrated service

Open the shortest path from “idea” to “shelf”

Agile prototype

Before putting into mold manufacturing, we provide multi-dimensional prototype solutions, so that you can “see the future”

CNC machining prototype

Using engineering plastics such as PEEK and ABS, samples with high structural strength and testable function can be manufactured quickly to verify the assembly relationship.

3D printing prototype

A model with high surface finish can be obtained in a few hours, which is perfect for appearance evaluation and market display.

Vacuum compound mold

Small batches (10-50 pieces) of samples with physical properties close to the final product are copied for clinical testing and small-scale market launch, which greatly reduces your decision-making risk and trial-and-error cost.

The True Symphony of "Plastic-Silicone Integration"

Modern products are often the perfect combination of various materials. Our value lies in realizing the integration effect of “1+1 > 2”

wearable smart devices

Equipment body (PC/ABS plastic)+waterproof sealing ring (silicone)+skin-friendly strap (TPU/ silicone). We ensure that the dimensional fit and structural design of all components are unified at the source.

Automobile powertrain

Engine intake pipe (nylon plastic)+joint seal (fluororubber). We understand the difference of material deformation in high temperature and high pressure environment and compensate it in design.

Flexible manufacturing

Seamlessly match every stage of your business growth.

Agile prototype

At the beginning of the project, speed and cost are crucial. We provide a variety of rapid prototyping services such as 3D printing, CNC machining and vacuum re-molding, which can help you get functional samples within 3-7 days. This will allow you to visually verify the rationality of the design, conduct market preheating or pre-clinical testing before opening the mold, and greatly reduce the decision-making risk and upfront investment.

Market climbing

We have a flexible manufacturing unit dedicated to small batch production, equipped with 80T-350T medium-sized injection molding machine and servo manipulator. The unit can switch molds quickly, and can realize economical production from the minimum of 100 pieces. This enables you to complete clinical verification, small-scale market launch or initial sales at the lowest cost, and quickly adjust products and strategies according to feedback, laying a solid foundation for mass production.

Mass production

When your product demand enters the explosive growth stage, our powerful large-scale production capacity is your most reliable backing. We have a 1400T large-scale injection molding machine cluster and fully automatic production line, and combine MES (Manufacturing Execution System) to monitor and optimize the equipment status, production schedule and process parameters in real time, so as to ensure the stable and efficient output of millions of orders and the ultimate consistency of product quality.

Intelligent management

Our manufacturing depends not only on equipment, but also on data-driven. Through MES system and SPC (Statistical Process Control), we realize the transparent management and data traceability of the whole production process. This can not only quickly locate and solve potential problems, but also optimize the process through continuous data analysis, realize dynamic capacity adjustment and scheduling, and ensure that your supply chain is flexible, resilient and efficient.

Global logistics

We have deep cooperation with top logistics providers such as DHL and FEDEX, and are familiar with all kinds of customs clearance procedures and certification requirements to ensure that your goods arrive at any destination in the world safely and on time.

Assembly packaging

Provide a full range of services from simple assembly to complex circuit board implantation, and can carry out blister packaging and color box packaging according to brand requirements.

surface treatment

Provide VDI 3400 standard texture, mirror polishing, engraving, sandblasting and other options, and can realize high-level processes such as two-color spraying and IML in-mold labeling.

Authority certification and qualification

Globally recognized manufacturing standards
We are your trusted professional partners.

Common choice of global customers

We serve not only products, but also customers’ trust and expectation.
Martin Reef
Manager, Global Automotive Business Unit, Valnai

automobile making

The key components of our fuel system need to achieve both sealing and damping functions. Through their two-component injection molding technology of silica gel, silica gel with two characteristics was successfully integrated, which not only had reliable performance, but also realized large-scale stable production of 2.2 million pieces per week.
Dr. Schmidt
Director of research and development of Swiss medical company

Medical instruments

When they jointly developed a silicone seal for minimally invasive surgery, they not only achieved a harsh tolerance of ±0.03mm, but also provided a complete set of biocompatibility proof materials, which saved us at least two months in passing the FDA audit. They are technical experts, but also intimate consultants on laws and regulations.
Sarah Jenkins
Purchasing Director of European High-end Kitchen Appliances Brand

home appliances

The silicone parts of our high-end kitchen utensils require high temperature resistance of 230℃ and no odor. The supplier’s food-grade liquid silica gel (LSR) injection process and strict quality control ensure the long-term stability and absolute safety of the products in the oven.
Maxim Mozhar
Supply chain director of North American audio brand

consumer electronics

One of our true wireless headphones needs a seamless and firm interference fit between the silicone earplug and the plastic body. Their integration scheme solved the problems of shedding and gap we encountered before, and the yield increased from 85% to 99.8%. Excellent engineering ability!
Mr. Hans Weber
Product Manager of Smart Wearable Device Company

smart wearables

Our new health monitoring bracelet needs a medical adhesive that can be firmly attached to the skin and easily removed. The silicone pressure-sensitive adhesive solution provided by them is reliable and non-invasive to remove, which has won an excellent user experience for our products.
Mr. Alessandro Rossi
CEO of Russian hydraulic equipment company

Industrial equipment

On the premise of ensuring low warpage and high surface quality, they successfully delivered precision molds for high-temperature environment, and the recommended oil-resistant rubber formula increased the life of our seals by three times, which completely exceeded our expectations.

Five-step direct success

Transparent and predictable [Silicone Mould] project process

Act now.

Inject precision manufacturing genes into your products.
Choose us, you will get not only products, but also a guarantee of success.

✅ Free in-depth engineering consultation

Let an engineer with 20 years’ experience become your external brain.

✅ Transparent project management and control

You are always aware of the progress of each stage of the project.

✅ Competitive comprehensive cost

Really low cost due to high efficiency and high yield.

✅ Exclusive project manager

From beginning to end, an intimate and professional window is at your service.

We are right here.

Always ready to create wonderful things with you.

🏭:Contact us

Head Office: [No.50 Liheng Industrial Zone, Xinglin West Road, jimei district, Xiamen]
mailbox: [marketing@chinaruicheng.com]
WhatsApp: [+8615159297535]

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