超碰人人草,黑暗侵袭电影在线观看高清完整版,玩命直播在线完整版观看未删减下载视频,**未删减完整版在线观看,日韩欧美一本,六月激情丁香,久久6免费视频

Main Products
Products Grade: LY
Specifications: φ5.5~42mm
Applied Standard:  Q/XG 124
Characteristics: The products are Used in cold rolling ribbed rod, common cold forming parts and construction etc.
Applications: Common fastener
Use of Products: This series of product has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, uniform organize, fine grain size, good surface quality. The products can meet demands of various cold forming process. The products have a series mechanics property in order to meet various uses and are widely used in various scopes of product.