Qingdao Zhengmuda Machinery Co.,Ltd. is a one of traders and manufacturers for pig,cattle and sheep equipments and it is located at Qingdao,China.Nearby Qingdao Port.Our main products are:Livestock equipements, including farrowing creats, feeding systems(all kinds of feeders, water bowls,nipples and SS pipes), flooring systems ( plastic floor and cast iron floors), fiberglass beams, livestock building materials such as PVC planks and curtain systems,inlet,shutter.2. Ventilation equipments, including various fans, shutter,inlets, cool cells and accessories.Our products are exported to many countries,including USA,Japan,Canada,The Netherlands,Germany,Australia, ,Korea, South America,West Europe,North Europe and many others.