WITH VARIETY MODELS KING PIN KIT FOR EUROPEAN TRUCK USE, STANDARD SIZE AND HIGH QUALITY, VOLVO SCANIA MAM. Ningbo Wanli Power Machinery Factory, founded in 1980s, is headquartered in Ningbo, Zhejiang Province. With a sound and powerful marketing network in global and Chinese markets, it is a professional manufacturer of automotive engine crankshafts and king pin kits, integrating development, production, sale and service. We have professional equipment, full-time workers and perfect process with the main products including engines crankshafts for Japanese and Korean series light trucks and medium trucks and king pin kits for a varieties of the American and European series