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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)


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