On March 24, 2015 in the morning, standing on the ground floor conference room after Lanzhou city government held the engage ceremony of Lanzhou city people's government of the legal adviser, Rayvow was hired as director of law firm lawyers Lei Sheng in Gansu province Lanzhou city people's government of the legal adviser, the selection is recommended by Lanzhou city judicial bureau, after Lanzhou city government layer upon layer selection, vice mayor of Lanzhou city government He Xiangdong presented Lei Sheng with a certificate.