disc plough as in conformity with the current agriculture conditions, are being produced with 2-3-4-5 rows. The disc ploughs are produced to work in every type of soil by the basic principles such as soil breaking, soil raising, soil turning and soil mixing. The disc ploughs are used to open the new fields and to process the stony areas.While processing, it avoids the occurance of the big holes and the upper part of furrowý s becoming muddy. Contact person: David MSN: sdyuntai@ hotmail.com Shandong Yunai Machinery Co., Ltd