Renren Communication is Guangzhou Renren Communication Technology Co., Ltd., and its business scope is: information technology consulting services; Retail of medical supplies and equipment (excluding drugs and medical equipment); Electronic equipment recycling technical consulting services; Integrated circuit design. Communication technology research and development and technical services; Scientific and technological information consulting service; Science and technology project evaluation service, etc.
CAPTCHA is the abbreviation of "automatic public Turing test to distinguish between computer and human", and it is a public * * * automatic program used to distinguish whether the user is a computer or a human.