LAIZHOU DEHUI AUTOMOTIVE PARTS CO.,LTD(Laizhou Haokai Machinery co.,ltd.)is specialized in producing disc brake rotors &drums.There are more than 1000varieties of discs and drums available for America,Europe and other aftermarket.Our yearly production capacity is 1 million pieces; Our quality policy is "Improving inner diathesis and product quality ,meeting the requirements of customers,being the first in the world step by sted ".with this policy,the quality assurance system had been established from raw materials,casting,machining,cleaning,and antirust to package,storage and transporting.The Quality System Certificate of ISO9001 wasawarded in April 2005.