新中国成立后,面对祖国百废待兴、百业待举,以李四光、严济慈、华罗庚、周培源、钱三强、钱学森、邓稼先等为代表的一大批海外华侨科学家毅然回国,在极其艰苦的条件下呕心沥血,创造出举世瞩目的科学成就。为帮助国家摆脱外汇严重短缺困境,海外侨胞投资兴业、捐款汇款,侨汇成为当时国家非贸易外汇收入的重要来源。改革开放初期,外界怀疑排斥,外资观望徘徊,是海外华侨华人和港澳同胞率先回国投资 After the founding of New China, a large number of overseas Chinese scientists, represented by Li Siguang, Yan Jici, Hua Luogeng, Zhou Peiyuan, Qian Sanqiang, Qian Xuesen and Deng Jiaxian, resolutely returned to the country in the face of all the difficulties of the motherland, Under painstaking efforts, to create a world-renowned scientific achievements. To help countries get rid of the serious shortage of foreign exchange, overseas compatriots invest and rejuvenate their donations and make remittances as important sources of non-trade foreign exchange earnings of the country at that time. At the initial stage of reform and opening up, the outside world doubted its exclusion and its foreign investment kept hovering. It was the first overseas investment by overseas Chinese and compatriots in Hong Kong and Macao