Liangshan Darong Traffic Machinery Co., Ltd. is a professional manufacturer of semi-trailer fittings located in Liangshan, Shandong Province. We utilize the latest technology to ensure the cost efficiency for our customers. We specialize in the supply of special spare parts for semi-trailers in Asian market as well as semi-trailer BPW/American axle assemblies, axle tubes, single point suspensions, tandem pendel axle series, spoke axle series, and outboard/inboard drum axle series for international markets. We are developing and expanding gradually, and all our products sell well at home and...