房吉华书记认为 ,在调产中必须坚持以下几条原则 :一是坚持“发展龙头、配套二产、投入一产、带动三产的发展思路 ;二是坚持有所为 ,有所不为的原则 ,按照国家产业政策和环保要求 ,实行有进有退 ,有上有下 ,有鼓励有限制 ,有扶持有淘汰 ;三是坚持比较优势原则 ,发展具有市场竞 Fang Jihua secretary believes that in the transfer of production must adhere to the following principles: First, adhere to the "development leader, supporting the second product, into a production, led the development of the three production ideas; second is to do something, Principle, in accordance with national industrial policies and environmental requirements, the implementation of advance and retreat, there are ups and downs, there are restrictions on encouragement, there are support to be eliminated; third is to adhere to the principle of comparative advantage, the development of a competitive market