... trailer,mower,spreader and so on Agro Input and Farm machinery 1.main product:disc harrow,disc plough,rotovator,mouldboard ... designing. 2.With regards to Shandong Tiansheng Machinery Co.,Ltd. Shandong Tiansheng Machinery Co., Ltd , a private enterprise specializing ... ,share plow, rotary tiller,potato planter,potato harvester,cultivator,subsoiler,seeder,box blade,ridger,ditcher,stubble cleaner,hole ...