Chinese National Standards

Ultrasonic testing technique and quality classification for titanium weld joints on submersible

Issued

2026-07-02

Effective

2027-02-01

Core metadata requirements of launch vehicle offshore launch infrastructure

Issued

2026-07-02

Effective

2026-11-01

Seamless steel pipes for no-dig drill pipe

Issued

2026-07-02

Effective

2027-02-01

Cotton and polyester blended yarn-dyed fabric

Issued

2026-07-02

Effective

2027-08-01

Plastics—Polyether polyols for use in the production of polyurethane—Part 1:Designation system

Issued

2026-07-02

Effective

2027-02-01

Cooling equipment for high-voltage direct current power transmission using voltage sourced converters

Issued

2026-07-02

Effective

2027-02-01

Recycled silver material

Issued

2026-07-02

Effective

2027-02-01

Chemically activated concrete for corrosion-resistant cement products

Issued

2026-07-02

Effective

2027-02-01

Chemical analysis methods for rare earth zirconium based compounds—Part 2: Determination of zirconium oxide and hafnium oxide total content—Mandelic acid gravimetric method

Issued

2026-07-02

Effective

2027-02-01