Great Cause Technology Industrial Company mainly deals with the electronics ,especially in field of consumer ,IT digital products,specialized equipment,semiconductor,security equipment and so on.Products are USB5.1Headset USB501 Audio ...

Sdtec is a young IT company with hardware and software distribution as the core business. Major oriented to resale area, but selling also final costumer, this new different vision, wants supply selection of high quality products which can exceed needs all our ...