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Home
About
Company profile
Office environment
Honours
Services
Chemical composition testing
Microstructure testing
Fastener performance testing
Magnetic Particle Inspection Testing
Hardness test
Dynamic performance testing
Dimensional measurement tests
Heat treatment testing
News
Company News
Industry Information
Enquiries
Application
Recruitment
Contact
CN
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GB_T 90.2-2002 Marking and packaging of fasteners
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GB_T 94.1-2008 Technical conditions for elastic washers Spring washers
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EN 28839-1991Mechanical Properties of Fasteners. Bolts,Screws,Studs and Nuts Made of Non-Ferrous Metals
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