Chinese National Standards

Methods for chemical analysis of magnesium and magnesium alloys—Part 2：Determination of tin,beryllium,copper,nickel and titanium content—Spectrophotometric method

Issued

2026-05-25

Effective

2026-12-01

Shuttlecock

Issued

2026-05-25

Effective

2027-06-01

Plastics—Liquid-crystal polymers（LCP）moulding and extrusion materials—Part 2: Preparation of test specimens and determination of properties

Issued

2026-05-25

Effective

2026-12-01

Assessment of industrial digital twin system providers

Issued

2026-05-25

Effective

2026-12-01

Micro-electromechanical systems (MEMS) technology—Requirements for reliability evaluation of three-dimensional structure of through-silicon vias

Issued

2026-05-25

Effective

2026-12-01

Symbolic designation for opening and closing of building doors, windows and curtain walls

Issued

2026-05-25

Effective

2026-12-01

General terminology for transducers

Issued

2026-05-25

Effective

2026-12-01

Technical specification for cobalt scrap treatment and disposal

Issued

2026-05-25

Effective

2026-12-01

Recycled gold raw materials

Issued

2026-05-25

Effective

2026-12-01