| Special-form Fasteners Precision Manufacturing | |
|---|---|
| Standard | ISO ASME ANSI DIN AS EN NF JIS UNI GB API ASTM |
| Grade | All grades |
| Material | |
| Surface Treatment | Black Oxide, Zinc electroplating(yellow, blue, clear), Hot-dip galvanization, Teflon FCC, PTFE, Xylan, Nickel coat, Dacromet, Zinc+AL, etc. |
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