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SJ 21447-2018 Specification for cadmium selenide monocrystal of CdSe-N-T01 used for infrared solid state laser 315 (USD) via email in 1 business day VALID
SJ 21343-2018 Measuring methods for microwave components and devices's scattering parameter at cryogenic temperature 135 (USD) via email in 1 business day VALID
SJ 21289-2018 Specification of embedded components capacitor materials for printed circaiit boards 360 (USD) via email in 1 business day VALID
SJ 20749A-2018 Specification for copper-clad PTFE woven Mass fabric laminate for microwave circuit 330 (USD) via email in 1 business day VALID
SJ 21489-2018 Specification for electric heating shielding glass for display screen 240 (USD) via email in 1 business day VALID
SJ 21536-2018 Specification of gallium arsenide epitaxial wafer for microwave power devices and monolithic microwave integrated circuits 165 (USD) via email in 1 business day VALID
SJ 21534-2018 Specification of gallium nitride epitaxial wafer for microwave power transistor 255 (USD) via email in 1 business day VALID
SJ 21293-2018 Specification of photoimageable etching and plating resist ink via email in 1 business day VALID please email coc@codeofchina.com for quotation
SJ 21286-2018 Specification for fabric woven from glass for printed circuit boards 255 (USD) via email in 1 business day VALID
SJ 21288-2018 Specification of embedded component resistive materials for printed circuit boards 255 (USD) via email in 1 business day VALID
SJ 21287-2018 Specification for resin coated copper foil of HDI printed circuit board 285 (USD) via email in 1 business day VALID
SJ 21535-2018 Specification of silicon carbide epitaxial wafer for power electronic device via email in 1 business day VALID please email coc@codeofchina.com for quotation
SJ 21256-2018 Technological verincation procedures for film sputtering equipment via email in 1 business day VALID please email coc@codeofchina.com for quotation
SJ 21486-2018 Specification for hydrosphere sealing composite conductive rubber strip 210 (USD) via email in 1 business day VALID
SJ/Z 21340-2018 Design guideline for superconducting filter 345 (USD) via email in 1 business day VALID
SJ 21348-2018 Environment test methods for superconducting devices 225 (USD) via email in 1 business day VALID
SJ 21344-2018 Test methods for superconducting filters via email in 1 business day VALID please email coc@codeofchina.com for quotation
SJ 21476-2018 Technical requirements for annealing of InP single crystal 135 (USD) via email in 1 business day VALID
SJ 21290-2018 Technical requirements of carbide drills for printed circuit boards 165 (USD) via email in 1 business day VALID
SJ 21334-2018 Ceramic packages and metal packages Technical requirements for nickel electroplating process via email in 1 business day VALID please email coc@codeofchina.com for quotation
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