Standards

DB21/T 4411-2026 Active

DB21/T 4411-2026 The Technical Specification for Mariculture of Triploid Rainbow Trout in Seawater Net Cage

Publish Date: 2026-01-30

DB21/T 4410-2026 Active

DB21/T 4410-2026 Cultivated plant herbicide accident identification specification

Publish Date: 2026-01-30

DB21/T 4409-2026 Active

DB21/T 4409-2026 Fire Safety Management of Underground Commercial Establishments

Publish Date: 2026-01-07

DB21/T 4408-2026 Active

DB21/T 4408-2026 High-rise civilian building fire safety management

Publish Date: 2026-01-07

DB21/T 4407-2026 Active

DB21/T 4407-2026 High-risk unit fire safety management in the event of a fire

Publish Date: 2026-01-07

DB21/T 4406-2026 Active

DB21/T 4406-2026 Fire safety management of electric bicycle parking and charging areas

Publish Date: 2026-01-07

DB21/T 2754-2026 Active

DB21/T 2754-2026 Storm protection device testing technical specification for hazardous chemical substances facilities

Publish Date: 2026-01-07

DB21/T 4405-2026 Active

DB21/T 4405-2026 Lightning Protection Device Inspection Technical Specification for Thermal Power Plant

Publish Date: 2026-01-07

DB21/T 1690-2026 Active

DB21/T 1690-2026 Seedling cultivation technical specifications for red pine clone system

Publish Date: 2026-01-07

DB21/T 4403-2026 Active

DB21/T 4403-2026 Standard for Evaluation of Service of Medical Security Administration Window Services

Publish Date: 2026-01-07

DB21/T 4402-2026 Active

DB21/T 4402-2026 Medical security handling window service specifications

Publish Date: 2026-01-07

DB21/T 3544-2026 Active

DB21/T 3544-2026 Dining service quantification and grading evaluation specification

Publish Date: 2026-01-07