Main Products

These products are mainly introducing our company Main product list,welcome to learn more and send inquiry us: Email: root@grcard.cn ,  Whatsapp:+86-18002561761

Our Advantage

Our advantages: 1. 13 Years Professional Team: Established in 2007 on smart card 2. Fast Delivery: Full automatic production process, ontime delivery is our commitment 3. OEM Production: Accept OEM/ODM customization 4. Original factory price: First Hand production supplier, long-term cooperation with factory price 5. Quality control: 100% QC before shipment,high quality is our obiligation

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Very responsible and communicative seller.
What Our Clients Say
Very responsible and communicative seller.
Very skilled and able to satisfy any request I had. This company continues to be the market leader in this space by far. I will absolutely do business with them again.
Spencer **villa,United States
Keep it up the good work.
What Our Clients Say
Keep it up the good work.
We've been using Greeso products since the very beginning. And found his team to be extremely professional and knowledgeable. We wouldn't have any hesitation in recommending their services.
PAUL ADJUTOR **CARON,Philippines
Good Chinese supplier.
What Our Clients Say
Good Chinese supplier.
We've been using your company and from the very beginning found him and his team to be extremely professional and knowledgeable. We wouldn't have any hesitation in recommending their services.
Mikhail **elchenkov,Russian Federation
Emergency Service

If you have urgent requirement,  welcome to call us directly!

+86 18002561761
Hot Products

These products are mainly introducing our company Hot selling product list,welcome to learn more and inquiry us via: Email: root@grcard.cn ,  Whatsapp:+86-18002561761

Lte 4G sim card
Custom LTE multi sim cards for phones tablets

Our LTE card is blank lte sim card, supporting oem custom on logo design, and programming.

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F08 ID Card
F08 1K RFID Contactless Card

Smart ID cards is available in glossy white which are very suitable for direct use by various types of card printers. The printing effect is ideal and the rejection rate is extremely low, which can effectively extend the use time of the print head.

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TK4100 ID Card
RFID Proximity Smart TK4100 ID Card

Smart ID cards is available in glossy white which are very suitable for direct use by various types of card printers. The printing effect is ideal and the rejection rate is extremely low, which can effectively extend the use time of the print head.

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programmable GSM Card
PVC GSM Card Manufacturer Blank Gsm Card

1. We are GSM cards manufacturer for 10 years, 2. Our GSM Sim Cards can be writen endurance 100.000 cycles. 3. We have our own Business Card Gsm card factory, not trade company, so we have more Gsm phone card competitive price.

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Nfc Chip Cards
Nfc Business Card Transparent Nfc Card Writer

Nfc Business Card Transparent Nfc Card Writer Our NFC business card is blank card,supporting custom on logo design printing and programming , Nfc Chip Cards and Nfc Access Card.

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Cdma Sim Card
CDMA Blank Sim Card Hot Sell CDMA Card for Telephone

CDMA Blank Sim Card Hot Sell CDMA Card for Telephone Cdma Sim Card is designed and developed for Cdma Sim Card Buy Online,our cdma card is hot sell in this filed.

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Mifare 1K/M1/S50 Chip
Mifare 1K/M1/S50 Card

Smart ID cards is available in glossy white which are very suitable for direct use by various types of card printers. The printing effect is ideal and the rejection rate is extremely low, which can effectively extend the use time of the print head.

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blank sim cards programmer
Bludrive II Smart Card Reader for blank sim cards

Our Bludrive ii smart card reader is mainly to burn/program a blank sim card like GSM/WCDMA/LTE/NFC/2.5G Sim card,it is also a usb smart card reader.

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About us
About us
Greeso Technology(Shen Zhen)Co., Ltd
Greeso Technology(Shen Zhen)Co., Ltd was established in Year 2007, located in Shenzhen China. We are professionally engaged in the production of smart cards, Sim card, IC card, RFID Tags, and related card readers for more than 13 years.  Our main products like 2/3/4G Sim cards,NFC & RFID Blocking card, contact/contactless IC cards, paper scratch cards, magnetic stripe cards, and blu drive ii readers, etc have been sold hundreds of millions pieces to over 100 countries. Our products are widely used in restaurant,finance, hairdressing, telecommunications, tax,hospital,school,insurance and traffic areas. Best quality, punctual delivery and perfect service, aiming to be praised by all of our customers, we keep in mind to improve our quality and make the perfect oem products for the speedy developing market.    Come and send your inquiry, and let's make good business cooperation together. (Note: the following pictures of certificates are real,All rights reserved)
About us
32
On the market
150
Global distributor
25
Annual production(M)
120
Of the company
Latest Blog

Here post our latest product related Blog.If you have any other inquiry, welcome to leave your messages with us.

What Smart Card Technology do and  How They Work?
Sep 22,2020
What Smart Card Technology do and How They Work?

Nowadays,we all live in a smart world where technological trends and advancements are making life easier for everyone. Making payments and shopping online across various platforms has never been this swift and secured in the 21st century. Smart card technology is the fuel driving this convenient means of making payments and carrying out online transactions. Smart cards are now common in every econ...

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What are RFID Tags?
Sep 21,2020
What are RFID Tags?

Learn How RFID Tags Work, What They’re Used for, and Some of the Disadvantages of RFID Technology Definition of RFID Tags RFID tags are a type of tracking system that uses smart barcodes in order to identify items. RFID is short for “radio frequency identification,” and as such, RFID tags utilize radio frequency technology. These radio waves transmit data from the tag to a reader, which then trans...

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How to insert a Sim Card
Sep 10,2020
How to insert a Sim Card

Greeso plans use what’s called a SIM card to identify you and make sure you’re getting the service you need. You may already know what a SIM card is, and its importance. In short, without it, it’s impossible to make calls or access the internet when not connected to Wi-Fi. It’s also the only way we can identify your phone on our network. If you’ve bought a new SIM card or phone, you need to k...

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