Is OEM manufacturing available?

Yes, we accept OEM manufacturing and offer ODM services for RFID smart key fobs.

What are the common sizes available?

Common sizes include 27.9*35mm and 31*40.2mm, with thicknesses around 5.3mm to 6.5mm.

Factory Price Access Control 125kHz Tk4100 Custom Access Control Keyfobs

Name: Factory Price Access Control 125kHz Tk4100 Custom Access Control Keyfobs
Brand: JingZhou SynTek Smart Technology Co., Ltd.
SKU: 886291315

Hunan, ChinaJingZhou SynTek Smart Technology Co., Ltd.

US$0.05-0.50

100 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Shape

Customized

Kind

IC Card

Type

Non-contact

Application

Social Security Card, Community Card, Hotel Card, Enterprise Card, Traffic Card, Supermarket Card, Campus Card, Smartcard Application

Style

Keychain

Color

Grey,Blue,Red,Green,Black,Ect

Reading Range

1-5cm

Protocol

ISO11784/785

Effective Life

10 Years

Power Supply Mode

Passive Card

Frequency

Low Frequency

Transport Package

Package: 100PCS/Bag, 5000PCS/CTN Weight

Specification

customized

Trademark

OEM

Origin

Shenzhen

HS Code

8523521000

Production Capacity

50000pieces/Day

Key features

Customizable Color Options: Available in Grey, Blue, Red, Green, Black, Yellow, and other custom colors.

Customizable Shape: Shape can be customized to meet specific design requirements.

OEM and ODM Services: Full OEM manufacturing and ODM service available for RFID smart key fobs.

Wide Material Selection: Made from ABS, silicone, PVC, leather, epoxy, and other durable materials.

Multiple Chip Compatibility: Supports LF chips (TK4100, EM4305) and HF chips (F08, MF50, NTAG series).

Long Effective Life: Designed with a reliable effective life of up to 10 years.

Versatile Applications: Ideal for access control, attendance, logistics, transportation, and event ticketing.

Fast Lead Time: Standard lead time is 7 days after payment confirmation.

Company profile

JingZhou SynTek Smart Technology Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-04-29 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤3.66h CertifiedTerms of Payment: T/T, PayPal, Western Union

AI-Powered supplier vetting

SummaryJingZhou SynTek Smart Technology Co., Ltd. is a China-based limited company and factory established in 2017, focused on RFID cards, tags, labels, blocking cards, key fobs, smart cards, and related products. The supplier reports 182 employees, five production lines, 11–20 quality-control staff, four years of R&D-engineer experience, and peak- and off-season lead times within 15 workdays. It offers custom functions, shapes, and materials, maintains its own mold production line, and states that it can develop readers and chips. Export activity began in 2019, with 71%–90% of sales reportedly from exports and Europe identified as a primary market. The evidence supports manufacturing, product development, customization, and international sales capabilities. However, no formal certification, detailed after-sales process, or independently verifiable customer references are provided. Financial information is not assessed.

Supplier typeThe supplier is identified as a factory/manufacturer in the manufacturing industry and operates as a limited company established in China. Its stated product scope centers on RFID cards, tags, labels, blocking cards, key fobs, and smart cards, indicating a specialized RFID-related manufacturing supplier.

After-Sales capabilityThe supplier states that it provides technical consulting, support, professional technician assistance, and customer service. These statements indicate an available support orientation, but no detailed after-sales workflow, warranty terms, response standards, or service performance evidence is provided.

R&D capabilitySynTek reports its own mold production line, capability to develop readers and chips, R&D and manufacturing of RFID products, and research into blocking key cases and phone cases beginning in 2017. The supplier is also associated with high-tech and technology-based enterprise classifications, supporting an innovation capability assessment.

Production capacityThe supplier reports five professional production lines, 11–20 quality-control staff, peak-season and off-season fulfillment within 15 workdays, and a monthly output of approximately 400,000 TM tags for the Russia market. It also describes manufacturing across multiple RFID and blocking-product categories, providing explicit evidence of production capacity and operational breadth.

Customization capabilityThe supplier explicitly offers customized tags and labels by function, shape, and material, and states that it can design products in different quantities and sizes. Its own mold production line further supports the stated ability to develop customized product forms.

Client casesThe supplier states that it has been a leading blocking-card supplier to the Europe market during the past three years and the biggest TM-tag supplier to the Russia market, with reported monthly output of approximately 400,000 pieces. These are supplier-reported market examples, but no named customers, contracts, or independently verifiable case studies are provided.