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Wenzhou Ruichuang Fastener Manufacturing Co., Ltd.
温州瑞创紧固件制造有限公司
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1 Year
Main Products
Copper nuts
Irregular parts
Non-standard parts
Turnery parts
Stamping parts
Machining process
Heat treatment
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(GB /T 78 - 2007)
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material
Carbon steel
grade, rigidity
grade 8.8
Coating
black oxide coating
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Similar Products
GB /T 78 - 2000
GB 78 - 1985
DIN 914 - 1980
ISO 4027 - 2003
ISO 4027 - 1993
DIN EN ISO 4027 - 2004