SIMINKEY · Industrial Material Customization & Precision Processing
High-performance industrial materials — tapes / foams / protective films — cut, die-cut and adhesive-laminated to your drawings, delivered to your production line.
Send us a drawing and get a precise quote within 3 hours
Shenzhen HQ · Changping Dongguan Factory
01 · About Siminkey
Siminkey is a technology company focused on the R&D, production and sale of high-performance industrial materials, headquartered in Shenzhen with a factory in Changping, Dongguan. We supply non-metallic materials such as industrial tapes, foams and protective films, and provide high-precision die-cutting and tailored solutions for specific applications. Our products are widely used in consumer electronics, automotive, medical devices, smart home and aerospace.
Integrated R&D, production and sales, with our headquarters in Shenzhen and factory in Changping, Dongguan, enabling fast sampling and bulk delivery.
We supply industrial tapes, foams and protective films, and provide high-precision die-cutting and customized solutions matched to each application.
Our products serve consumer electronics, automotive, medical devices, smart home, aerospace and more — exported to 26+ countries and regions.
Material matrix: tapes, foams & protective films
02 · Three Core Capabilities
Not a materials stockpile — real capability from material selection all the way to finished delivery.
From selection to spec
Cut to your drawing, delivered precisely
Secondary processing & lamination
03 · Material Matrix
From structural bonding to EMI shielding — quickly locate the right material by key characteristics and typical uses.
Authorized part numbers (3M9448A, NITTO 541/57125B, tesa, BISCO HT-6000 and more) are detailed on each product page.
Die-cutting · controlled tolerance
04 · Processing Details
CAD / DXF / PDF with dimensions, tolerances, material and quantity
Recommended by application conditions (temperature, stress, flame retardancy, waterproofing, conductivity)
Rotary cutting / sheeting / cut-to-size, with customizable width and length
Die-cutting, punching, kiss-cut, adhesive backing, lamination
Production after sample approval, full inspection before shipping
Specifications such as minimum cut width are confirmed at the time of order.
05 · Application Selection
Starting from the application, not from inventory — six scenarios, six selection logics.
06 · Our Commitment
ISO 9001 full-process control with batch performance testing
Inquiries answered within 20 minutes; standard items ship in 24h
Optimized supply chain and scaled production
Flexible logistics, delivered in 3–7 days typically
10% of annual sales reinvested in R&D; co-development available per application
07 · Service Process
Supply a CAD / DXF / PDF drawing and tell us the application, conditions and quantity
We recommend the best material for your application and provide a precise quote within 3 hours
Fast sampling — samples delivered and confirmed in 1–2 days
Die-cutting, punching and adhesive lamination, with high-precision inspection for batch consistency
Full inspection before shipping, delivered in 3–7 days typically
08 · Industries
Sealing and cushioning materials for battery cushioning, screen sealing, and speaker dust/water protection.
Interior cushioning, battery-pack sealing and thermal-management spacers.
Equipment sealing and cushioning materials, die-cut to drawings.
Dust sealing, cushioning and dampening materials for assembly gaps in home devices.
Wide-temperature sealing and thermal/cushioning materials in UL94 V-0 flame-retardant grades.
Cabinet dust sealing, pipe-mounting cushioning and assembly-gap fill materials.
09 · Our Team
Technical Director
15 years in polymer material R&D, leading material selection and custom-solution evaluation.
Customer Service Director
Handles customer requirements and response, coordinating quotes, sampling and delivery schedules.
Marketing Director
Leads market and industry application growth, serving electronics, automotive and medical customers.
10 · Contact & Quote
Tell us your application, drawing and quantity — our engineers help with selection, fast sampling and quoting.
Typically responds within one business day · samples and bulk inquiries welcome
We customize and process non-metallic materials including industrial tapes, foams and protective films: cutting to drawing, slitting, sheeting, controlled width for rolls and length for sheets, plus secondary processing such as die-cutting, kiss-cut, adhesive lamination and multi-layer construction. We deliver finished parts such as gaskets, seals and cushioning components.
We accept CAD / DXF / PDF drawings. Please note the dimensions, tolerances, material and quantity. After you supply a drawing, a precise quote is usually available within 3 hours; general inquiries are typically answered within one business day.
Samples are usually ready in 1–2 days. Once the sample is confirmed, production follows, with a standard lead time of 3–7 days. Minimum order quantity and exact lead time are confirmed on request.
Yes. Double-sided tapes, industrial foams, silicone foams, protective films and conductive/thermal tapes can all be customized in thickness, width, color and construction to the required performance spec. Please confirm exact requirements with our engineers.
Our authorized brands include 3M, Nitto, tesa, Inoac/INOAC, DIC, Sekisui, Saati, Rogers (PORON/BISCO) and ThermoSil Pads, with part numbers such as 3M9448A, NITTO 541/57125B, tesa, and BISCO HT-6000 detailed on each product page.
Use the Get a quote button at the bottom of the page, or email [email protected] or call 134 3065 6656. Share your application, drawing and quantity and our engineers will help with material selection, rapid sampling and quoting.