Yingkou cornerstone International Trade Co., Ltd. is an industrial and trade company .we have design, development, production and sales as one of the professional turbocharger manufacturers. Since its establishment, the company has been adhering to the business philosophy of "honest man, practical work, continuous progress, innovation, customer first", and has been developing and growing. At present, the company's products are mainly used in: Komatsu, Hitachi, Daewoo, Kato, Kobelco, Mercedes-Benz, Volvo, Man, Hyundai, Perkins, Hino, Isuzu and other models. We follow the principle of honest and trustworthy, win-win.