Metal Fabrication, Trailer Parts manufacturer / supplier in China, offering 2"Trailer Hitch Bolt on Receiver Tubes Custom Receiving Tubes Piercing, New Style 10/12/16/19mm Spring Loaded Latch Pin Barrel Bolt Latch Lock, 200olbs RV Corner Steadies with Steel Plate Square Weld Tubular Swivel Trailer Support Stabilizer Jacks and so on.