In order to further coordinate international economic and trade relations, promote the coordinated development of foreign trade, and implement the scientific concept of development at the same time, actively change the mode of economic growth, the country has recently introduced a series of import and export trade policies, such as the catalogue of prohibited commodities for processing trade, encouragement of imported technologies and products. Catalog, government procurement of imported product management methods, etc. At the same time, the General Administration of Customs has accelerated the reform of the collection and management system, further enhanced the collection and management capabilities, and improved the effectiveness of customs management. It has formulated a classification management approach for customs enterprises and announced the decision on the classification of customs imports and exports.

Save energy and reduce emissions, promote environmental protection, and prohibit the export of some processing trade goods. In order to optimize the structure of China's export commodities and suppress the export of high-pollution and high-risk commodities, and promote the transformation and upgrading of processing trade, on April 5, 2008, the Ministry of Commerce and the General Administration of Customs jointly issued the 2008 No. 22 announcement and announced the “2008. Catalogue of Prohibited Commodities in Processing Trade."

A total of five products in the machine tool industry continue to be listed in the list of prohibited exports, namely corundum, natural corundum and other natural abrasive corundum and other artificial corundum, silicon carbide and boron carbide.

At present, the voice of the international community requiring countries to undertake energy-saving and emission reduction obligations is rising. The catalogue of prohibited and restricted categories will still be dynamically adjusted, and the threshold for processing trade will become higher and higher. Huaxia Mould Network stated that industry and enterprises should increase input in technological transformation, eliminate low-end products with low technological level, backward production processes, and trade friction, and develop high-tech products with high added value and high-tech content. And the concept of environmental protection runs through the entire production process.