无遮高潮国产免费观看_国产日韩国欧美三区_亚洲三级在线观看_日韩一区二区三区国产_久久久96人妻无码_亚洲乱亚洲乱少妇无码99p_97视频网精品免费观看_成全影视在线观看_国产一级二级三级视频

　　Hengshui Tongda Brake Material Co.,Ltd. was established in the mid-1990s, scientific research, development, production in a body, a automobile disc brakes and drum brakes professional manufacturers, the annual production capacity 2,000,000 sets, simultaneously concurrently management steel back, Hoof iron, annex.

　　This company and the domestic and foreign scientific research institution have established the long-term scientific research cooperation relations, has the strong development ability, the technical level achieves the domestic advanced level, the performance conforms to GB 5763-98 with the United States SAE standard. The development of new asbestos-free environment brakes with brake performance and stability, wear resistance, and no noise, no pollution, and other advantages.