Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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QJ/Z 50-1979 315.0 via email in 1~5 business day valid
QJ 468-1985 Technical Specifications for Chemical Oxide Film Layer of Magnesium Alloy 75.0 via email in 1~3 business day valid
HB/Z 358-2005 Heat treatment for spring parts of steel for aviation 180.0 via email in 1~3 business day valid
QJ 1284.1-1987 Aluminium and Aluminium Alloy - Axial Inside Groove Pipe 60.0 via email in 1~3 business day valid
QJ 2856-1996 Specification for Tin-zinc Alloy Coating Process 135.0 via email in 1~3 business day valid
HB 5434.6-2004 Test methods for aircraft wheel friction materials -- Part6: Test method for bend strength 120.0 via email in 1~3 business day valid
QJ 990.10-1986 Inspection Method for Coating - Inspection Method for Humidity Resistance of Coating 45.0 via email in 1~3 business day valid
QJ 648-1981 Louver Hole Pattern and Dimension Series 75.0 via email in 1~3 business day valid
QJ 1379-1988 Process Specification for Bonded Forming of Ellipsoidal Aluminium Panels/FRP Honeycomb Sandwich Structures 165.0 via email in 1~3 business day valid
QJ/Z 57-1979 120.0 via email in 1~3 business day valid
QJ 3216.1-2005 Manganese Plating for Vacuum Diffusion Brazing - Part 1: Specification via email in business day valid
QJ 990.8-1986 Inspection Method for Coating - Inspection Method for Electrical Insulation Properties of Coating 30.0 via email in 1~3 business day valid
HB/Z 190-2004 Injecting moulding technology for polyamide 1010 plastics 120.0 via email in 1~3 business day valid
HB 2-23-2004 Extruding shapes hinge 90.0 via email in 1~3 business day valid
HB/Z 29-1981 Electrochemical polish process 195.0 via email in 1~3 business day valid
QJ 492-1986 Technical Specifications for Chemical Nickel Plating of Non-metallic Material 60.0 via email in 1~3 business day valid
QJ/Z 55-1979 90.0 via email in 1~3 business day valid
QJ/Z 73-1979 75.0 via email in 1~3 business day valid
QJ/Z 175-1986 Production Instruction for Decorative Chromium Plating of Steel, Copper and Copper Alloy 225.0 via email in 1~3 business day valid
QJ 450B-2005 Thickness series and selection principle for plating and conversion coatings of metallic parts 390.0 via email in 1~5 business day valid
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