汤唯色未删减版百度云资源|91视频在线免费观看|国产高清综合|国产精品呻吟av,霹雳娇娃2电影在线观看完整版免费,尺度大的未删减版的电影中国,我爱你韩国电影完整版在线观看

Main Products
Products Grade: 20MnSi
Specifications: φ5.5～42mm
Applied Standard:  GB/T 13788
Characteristics: The products are Used in cold rolling ribbed rod and construction etc.
Applications: Common fastenerPC steelbar steel
Use of Products: This 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.