Model:GB
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Size: 4mm to 200 mm
standards: GB/DIN/JIS and NON-STANDARD
Material: Mn/Stainless steel/Brass/Aluminum
Surface tratement: plain/blackened by oil/electric galvanized/other

Size: 4mm to 200 mm
standards: GB/DIN/JIS and NON-STANDARD
Material: Mn/Stainless steel/Brass/Aluminum
Surface tratement: plain/blackened by oil/electric galvanized/other



