av永久免费观看,日韩在线精品视频,在线观看国产视频,国产精品久久片,国产毛片av网站,国产又粗又硬又黄又刺激,国产黄色片视频

Main Products
Products Grade: CH1T,CH1A
Specifications: φ5.5~42mm
Applied Standard:  Q/XG 148
Characteristics: Pressing parts such as rivets used in boxes and bags,forging parts and complicated parts with big distortion,the electric components such as the spacers of electromagnetic valves.
Applications: Common fastener
Use of Products: CH1T and CH1A are belong to ingots.The wire rod of CH1T and CH1A feature stable chemical composition,low tramp elements, high purity,good surface quality,high dimensional accuracy,good electromagnetism.They are flexible,with good toughness,can be struck to very complicated shape.