Fence, Trailer, Troughs manufacturer / supplier in China, offering Custom Manufacture/ Factory Steel Aluminium Stainless Steel Laser Cutting Stamping Forging Casting Sheet Metal Fabrication Parts Asseembling CNC Machining Parts, Custom Galvnaized Steel Cattle/Cow Free Stall Portable Cow Cubicle Farm Housing Calf Hutch, Piggery Gestation Pens/Farrowing Crates/Nursery Pens|Automatic Pig Farming Equipment and so on.