Agricultural castings Cambridge Sterne, Cambridge Ring, Crosskillring, etc. As per coming drawings or ... Agricultural castings as per coming drawings or samples. Such as Cambridge ring, Packerring, Nockeering, Crosskillring with material of GG20 ... mining sampling and sample preparation.2. Casting Roll rings, including Cambridge, CAM, Crosskill, Corrugated, etc. for agricultural equipments, rollers, ...