• Post time: 03-09-2017

    A.Quality Control 1.We have the professional production team, production line and experience exports who engaged in this industry for more than 10 years. 2.All material supply by world top enterprises, like Shanghai Baosteel, HCH, SRB. B.Brand Control NINGBO DEMY (D&M) BEARINGS CO.,LTD hol...Read more »

  • Ball Bearing Advantages
    Post time: 02-03-2017

    Ball Bearings are small but essential component to allow for smooth radial and axial motion. Over the years these devices have undergone various innovations and come in a wide range of configurations. These products not only help decrease the amount of overall friction but also feature different...Read more »

WhatsApp Online Chat !