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Advanced and forward-looking: The advancement of process technology determines the market competitiveness of the project. The proposed project should use advanced and high-tech technologies as much as possible to achieve domestic leadership and be as close to or exceeding the international level as possible. The current status and development trends of process technology should be fully studied to understand whether there are more advanced process technologies and the possibility of adoption to ensure the competitiveness of the project. The advancement of technology should mainly be reflected in product quality performance, process level and equipment level. applicability: It should match the production capacity of the project. Different construction scales require different process technologies. ； Should be compatible with raw materials, auxiliary materials and fuels ； Should be compatible with equipment (including domestic and foreign supplied equipment, main and auxiliary equipment) ； Should be consistent with employee quality and management level ； It should be compatible with environmental protection requirements and use cleaner production technology as much as possible. reliability: The technology must be mature and reliable, ensure product quality, performance and production capacity, and avoid resource waste, ecological pollution and safety hazards. Generally, technologies that have been fully proven and are already in use should be used (the provider should have experience in successful use). If new technologies and processes are adopted, they should be based on multiple successful tests, certification by authoritative agencies, implementation and expected benefits. Otherwise, hidden dangers will be buried and immeasurable losses will be caused. We cannot take the risk of adopting a technology that is transferred to production without pilot testing. We should adopt a positive and cautious attitude towards new technologies, new processes, new equipment, and new materials that are still in the experimental stage. The economic rationality of new technologies that have not been put into production practice or have remaining technical problems: The process flow, equipment configuration, production line capacity, degree of automation and professional collaboration must be reasonable ； The process should be compact, balanced and coordinated ； Item transportation distance should be short ； The same production line should carry out multi-level, multi-variety and multi-method processing to improve labor productivity. Ensure intellectual property security: Attention should be paid to the origin and ownership interests of process technology. For patented technologies, industrial property rights issues should be studied, including its scope of use and validity period. For proprietary technology transactions, two conditions must be met: First, it must have practical application experience and mature and complete technology. ； Second, it must be able to be identified and identified, and it must be transferred using technical data and documents. Adapt to market changes: The adaptability of process technology must be analyzed based on market trends. It is hoped that the same production line can carry out multi-level, multi-variety and multi-method processing, and have the ability to adjust production to adapt to market changes. In particular, high-tech products have a short life span, and more attention should be paid to market adaptability. Safety and environmental protection: The choice of technology should also reflect a people-oriented approach. The selected process technology should ensure safety and achieve clean production, and minimize the emission of "three wastes". Various process technologies should be evaluated in conjunction with environmental impact and labor safety. The impact on the environment and operators should be considered, whether "three wastes" and unsafe factors will be produced, whether there are protection and treatment measures, and whether it will damage the natural environment and ecological balance. The phenomenon of “dumping environmental waste” must be avoided when introducing new industrial projects.