Truck Brake Drum&Wheel: 1.Credibility of the enterprise;.Metetrial:gray iron HT250/GG25 2.OEM quality standard guaranteed; 3.Sample purpose order accepted; 4.Standard materrial according to technical drawing; 5.Able to produce according to specification with technical drawing; 6.Positive customer feedback from domestic and international market 7 Mechanics performance: Main body degree of hardness:163-255HBS Testing rod tensile strength: =220mpa 8 We establise our own Research and Development Organization.All the products have passed the ISO/TS16949 quality system certification