Qingzhou Huinong Machinery Co. , LTD, located in Qingzhou, Shandong Province, is specialized in production of the aeration-cooling and temperature-controlling equipments.
青州市惠农机械有限公司是生产通风降温、加温加湿设备的专业厂家，位于山东省青州市。
Therefore, the problem of plastic shack at the subtropical zone in winter and spring and at the temperate zone in spring cooling down by natural aeration can be solved;
从而能有效地解决塑料大棚在亚热带冬春季和暧温带的春季以自然通风实现棚内的降温；
DZQ series vacuum packing machine is semi-automatic vacuum packaging equipment. Order the assumed processes of vacuum extraction, sealing, printing, cooling and aeration.
DZ Q系列真空包装机是半自动真空设备，只须按下真空室盖即自动按设定的程序完成抽真空、封口、印字、冷却、排气的全遇程。
DZQ series vacuum packing machine is semi-automatic vacuum packaging equipment. Order the assumed processes of vacuum extraction, sealing, printing, cooling and aeration.
DZ Q系列真空包装机是半自动真空设备，只须按下真空室盖即自动按设定的程序完成抽真空、封口、印字、冷却、排气的全遇程。
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