海关总署：执行新税制以后，部分外商投资企业进口环节税负增加较多，给企业的生产经营带来一定的困难，要求对其进口环节增加的税负予以返还。考虑到有些企业生产的产品属国内急需或国家鼓励发展的产品，进口生产所需的料件国内币场不能保证供应，根据《国家税务总局关于退还? General Administration of Customs: After implementing the new tax system, some foreign-funded enterprises have increased the tax burden on the import link, which has brought certain difficulties to the production and operation of the enterprises, and required the return of the tax burden on the import links. Considering that some enterprises produce products that are urgently needed domestically or products that are encouraged by the government to be developed, the domestic currency market required for imported production cannot guarantee supply. According to the "State Administration of Taxation, on the basis of refunds?