How to check Sony serial number in official website?

This is the inquiry website:/B2C _ Sony/B2C/productregister.do.

Sony Company Profile:

Sony Corporation of Japan is a world-famous large-scale comprehensive multinational enterprise group. Sony is a pioneer in the fields of audio-visual, electronic games, communication products and information technology in the world, the pioneer of the earliest portable digital products in the world, one of the largest manufacturers of electronic products in the world and one of the three giants in the world's electronic game industry.

In addition, Sony was formed by the merger of three of the original eight Hollywood film companies: Columbia Film Company, MGM Film Company and United Art Film Company. One of the six major Hollywood film companies in the United States.

Sony is also the largest music company in the world. Columbia Records and Bertelsmann Music have been merged, and all the music copyright businesses of EMI have been acquired. Sony is also one of the top ten patent companies in the world, with more than 3,000 patented technological inventions. ……