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

The best 4g sim LTE card is here. Contact us to provide your Branding, datasheet, then we can print your design logo and program your 4g lte sim card as request with perfect quality and service.

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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 is the The best spy cameras you can buy in China in 2020?
Nov 18,2020
What is the The best spy cameras you can buy in China in 2020?

Nowadays, as a law-abiding citize,would you want a spy camera? Well, spy cameras or micro cameras can have loads of non-nefarious functions, and as they come in all sorts of different forms, you don't have to be James Bond to find a use for one. The best spy cameras are tiny, unobtrusive little devices that are nevertheless capable of recording high-quality videos. So, whether for home s...

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What are the difference between 2G,3G,4G, LTE and 5G SIM CARDS?
Nov 10,2020
What are the difference between 2G,3G,4G, LTE and 5G SIM CARDS?

As we all know, the 2/3/4G/LTE SIM cards are wildly used in our life,even 5G is coming to some morden city’s people.Today we are about to tell the difference between 2G,3G,4G and LTE SIM CARDS? 2G: The second-generation mobile phone communication technical specifications, with digital voice transmission technology as the core. Generally defined as the inability to directly transmit information suc...

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What is the Best GaN Chargers in the Chinese Market to Buy Now?
Nov 02,2020
What is the Best GaN Chargers in the Chinese Market to Buy Now?

Recently,more and more people are curious about the new noun which looks unfamiliar to most group: GaN Charger. To put it more seriously, it is a GaN Charger, using gallium nitride as a semiconductor,which is able to produce chips for electronics. GaN itself is a transparent crystalline material, which, in its early stage, has been used frequently in LEDs production since ...

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