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Materail:Carbon Steel,Stainless Steel,Alloy Steel,Copper
Intensity Level:4.8 Grade,5.8 Grade,6.8 Grade,8.8 Grade,10.9 Grade,12.9 Grade,Others,Grade is not required Surface:Plain,Blue zinc/white zinc,Yellow zinc,Black zinc,Plated with nickle,Plated the Copper,Hot galvanized zinc,Others
- Shanghai combine hardware & machinery company Ltd.
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