Changing science and technology co.,ltd is a professional manufacturer of digital terrestrial receiver,including DVB-T,ISDB-T and DVB-S. Our company owns advanced equipment and passel talents,we provide various kinds of products for the worldwide customers. Company is based on hi-tech technology supporting,We have built up the strictly quality control system and achieved ISO9001,ISO14001 quality system standard,and all the products have passed AQL quality certification. We have established long-term strategic partner relationship with many esteemed companies.Ensured by our good production,backed up by our strong research ability,we sincerely look forword to developing better relationship with all customers.