Guangzhoushi GuangWeiYouLiangTradingCo.,

hardened and tempered steel strip is hardened and tempered to ensure outstanding straightness, and its high elastic limit and yield point ensure hi

hardened and tempered steel strip is hardened and tempered to ensure outstanding straightness, and its high elastic limit and yield point ensure hi

hardened and tempered steel strip is hardened and tempered to ensure outstanding straightness, and its high elastic limit and yield point ensure hi

Our steel strip is well-know good quality.We understand that the flexibility is the key for shutter spring when the door rolling down and rolling up

Annealed steel strips are produced by the process of annealing wherein to alter its physical and properties such as strength and hardness. Annealing

Annealed steel strips are produced by the process of annealing wherein to alter its physical and properties such as strength and hardness. Annealing

Annealed steel strips are produced by the process of annealing wherein to alter its physical and properties such as strength and hardness. Annealing

The strappings tensile strength over 930Mpa, manufactured from special cold rolled steel coil, are deburred, heat treated, pained and waxed in a conti