激情六月丁香婷婷,独臂刀客22集高清完整版在线观看,丁香深爱五月,亚洲美女高潮久久久,重生之炉鼎未删减完整版在线观看免费,韩国三级在线最新未删减,免费看黄色电影

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.