Mason made an appointment with Yu Jiaming and asked him to return to MC China.Yu Jiaming flatly refused. He left a letter to Luo Chengyu and left Jiangnan.Yu Jiaming came to Silicon City and defected to Blount.Blunt felt that he had found a weapon again to deal with Luo Chengyu.The “Yunguang” system crushed HB Company's “龙光” and MC China's “Yundun”, and quickly won market reputation.Blunt decided to make a fuss about the chip to curb the development of Rising Sun.In order to deal with Blount's desperate efforts and keep MC China's chip orders, Luo Chengyu decided to negotiate with Helen to acquire MC China after careful consideration.