Trailer Parts Suspension Leaf Spring Manufacturer in China Shandong Zhongjia Machinery Parts Co., Ltd. Base Info Material:SteelPosition:RearOEM:YesType:Suspension SpringTrademark:ZJOrigin:Liangshan, China Description Pre:Parabolic Leaf Springs for Heavy Duty Trucks and Semi Trailers Next:Scrap Wheels, Aluminum Wheels From Chinese Manufacturers Wholesale Prices