... pigsSpecs(mm):400x600 Gap width:10mm 9.5kg/piece Antislip and with flap Specially made available according clients' requir (large ... of "Changrong" brand pig-raising equipments, and was in a domestic leading position in the design, planning and construction of the "farrowing crate", " ... ", "electric hot plate", "fan", "wetted pad", "hot air stove", and the entire pig farm, filling in many domestic gaps.