滨州市市区国税局把对重点税源监控放在首要位置，建立重点税源联系制度。由于宣传面广，税收优惠政策辅导及时落实，大大提高了企业自觉纳税的意识。今年８月份通过对滨化集团税源监控了解到该企业在日本购进生产用设备，付专利使用权、专利使用费２万美元，设计和技术处理费? Binzhou City IRS put key sources of tax control on the priority position, the establishment of key sources of tax contact system. As a wide range of publicity, tax incentives timely implementation of counseling, greatly improving the awareness of corporate tax conscious. In August this year, it learned through the tax source monitoring of NAFARI that the company purchased the production equipment in Japan, paid the right to use the patent, the use fee of the patent was 20,000 US dollars, and the design and technology processing fee was?