亚洲男人天堂2022|一道本不卡视频|欧美亚洲精品日韩|高清电影免费完整版在线观看,不卡影院在线观看,汤唯电影色戒全集未删减版在线观看,电影在线观看完整版2023

Casus Products>> Casus

  The G10B33 produced by XINGTAI STEEL is mainly used in the production of grade 10.9 high - strength fasteners. The product has stable chemical composition, high surface quality,small decarburization layer, low original hardness of wire rod, high strength after heat treatment and good hardenability. An automobile main engine factory uses the material to produce bolts on the truck. reflecting the product has good hardenability, stable performance and low cracking rate in cold heading.