Street Address: BEIHUAN
City: Yantai
Province: Shandong
Country/Region: China
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Raw Material: 45# quality carbon steel,40CrV alloy steel Heat Treatment: Auto Temperature Control,45#:HRC39-44;40CrV:HRC42-48 Size: ",14",15",16",20",610MM,23",25",700MM Surface Treatment: socket fully polished,handle sand blaster,chrome plated.