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dears: We are Yongcheng group and Our Company dedicates to the activity of the Supply of parts for engineering industries and mining industries for more than 25 years, though our customers are including sandvik, metso, komatsu, misumi, Volvo and so on, we also hope can be your new partners because you are also the influencer in this line. Pls visit our website for further informations: www dot cnyongcheng dot com. If you interest with any things, pls contact with us.