... and anual producition 1000, 000pcs ,the disc plough and harrow blade exported to USA, Britian, France, Africa, South America, Austrilia ... disc Contact info SHANDONG YUNTAI MACHINERY CO LTD ,CHINA Website: http://cnsdyuntai.en.china.cn/ Address: No.5 Haojia Road ,QIHE ... Economic Development Zone,SHANDONG,CHINA Tel:0086-534-5609788 Fax:0086-534-5331378 251100 Mobile ...