The model dc12 multiple directional control valve is developed by optimizing the functions of hydraulic systems of existing overseas domestic and overseas agriculture machinery , applicable to hydraulic systems in engineering machinery , lifting transportation machinery and agricultural machinery for integrated control over several actuating mechanism Dc12型多路换向阀是根据国内外农业机械等液压系统进行优化设计推出的产品，适用于工程机械、起重运输机械、农业机械等液压系统中，实现多个执行机构的集中控制。
Depending on the needs of the enterprises and according to the cost - sharing principle of the sadp , 1 or 2 missions can be arranged to inspect the production and operation of conservation agriculture machinery , this will provide a platform for communication and cooperation between ca machinery manufacturers of the two countries 促进保护性耕作机具生产企业的合作。根据企业需求，按照费用分摊的原则，互派1 2个考察团，赴对方考察保护性耕作机具生产和作业情况，为企业交流与合作搭建平台。
