国内精品二区_免费亚洲精品_久久久中文字幕_黑人巨大精品欧美一区二区区_国产区精品在线观看_国产精品久久久久7777按摩

Pick brazing
  • Pick brazing

* Excellent selection of materials


Forged with high quality alloy structural steel. After annealing, rough processing, quenching, tempering, finishing and surface treatment and other processes processed. The product has the advantages of high hardness, good toughness and durability. The drill head should be installed on the corresponding air pick or hydraulic pick for use.


1:G7, G10, G11, G12, G20, G30 and other gas pick pick brazing, length 250-1500mm;


2:C4, C6, C7 and other gas shovel shovel brazing, length 300-1200mm


3: hex drill for B47, B67, B87 crusher, length 500mm, 550mm, 600mm;


4: hexagonal steel rod and other types of steel, can be customized according to customer needs.


主站蜘蛛池模板: 国精精品一区二区三区有限公司 | 500部精品韩国女主播视频 | 久久久新 | 欧日一级片 | 国产精品久久久久久久婷婷 | 蜜臀av一区二区三区 | 嫩草影院中文字幕 | 久久久久综合 | 国产一级二级三级毛片 | 伊人久久免费视频 | 亚洲一二精品 | 日日爽爽 | 琪琪五月天 | 一本伊大人香蕉久久网手机 | 亚洲欧美国产毛片在线 | 高清国产视频在线 | 国产欧美一区二区三区不卡高清 | 顶臀精品视频www | 91在线永久 | 夜色成人网 | 色婷婷一区二区三区 | 黄色片免费 | 国产精品一区二区在线免费观看 | 91国产在线视频在线 | 欧美精品一区二区久久婷婷 | 麻豆 magnet | 亚洲精品18在线观看 | 精品一区二区6 | 五月激情影院 | 国模大尺度福利视频在线 | 国产精品国产一区二区 | 九九久久在线看 | xxx成人精品一区二区 | 69成人网| 日本精品一区二区三区四区的功能 | 橘梨纱av一区二区三区在线观看 | 日本大逼 | 久久久人成影片一区二区三区观看 | 精品视频在线99 | 97无码免费古代 | 欧美一级片一区二区 |