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National Standard of the P.R.C., Brake Hose — Structure, Performance and Test Methods: This standard specifies the structure, performance requirements, test methods and marks of brake hose, brake hose joint and brake hose assembly for automobiles, motorcycles, mopeds and trailers.

This standard applies to brake hose, brake hose joint and brake hose assembly with hydraulic pressure, air pressure, vacuum for automobiles, motorcycles, mopeds and trailers.

National Standard of the P.R.C., Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Centrifugal Pumps: This standard specifies the energy efficiency grades, minimum allowable values of energy efficiency, testing methods and calculation methods for centrifugal pumps for fresh water and petrochemical centrifugal pumps.

This standard applies to single-stage single-suction centrifugal pumps for freshwater, single-stage double-suction centrifugal pumps for freshwater, multistage centrifugal pumps for freshwater, as well as single-stage single-suction petrochemical centrifugal pumps and single-stage double-suction petrochemical centrifugal pumps with closed (largest) impeller for transporting clean liquid.

National Standard of the P.R.C., Motor Vehicles-Devices for Indirect Vision-Requirements of Performance and Installation: This standard specifies the performance and installation requirements for devices for indirect vision of motor vehicles of categories M and N and l with at least partially enclosed cab. This standard applies to the devices for indirect vision of motor vehicles of categories M and N and l with at least partially enclosed cab.

National Standard of the P.R.C., Ethanol Gasoline for Motor Vehicles: This standard specifies classifications, technical requirements, test methods, sampling, marking, packaging, transportation and storage, security and document implementation of ethanol gasoline for motor vehicles.

This standard applies to ethanol gasoline for motor vehicles that is composed of a certain amount of denatured fuel ethanol and performance-improving additives added to the blendstocks of ethanol gasoline for motor vehicles.

National Standards of the P.R.C, Fire Damper for Building Venting and Smoke-venting System: This standard specifies the terms and definitions, classification, materials, accessories, external appearance, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of fire and smoke exhaust devices such as fire damper, combination fire and smoke damper, smoke damper, natural smoke outlet, constant closed ventilation valve.

This standard applies to the fire dampers installed in the ventilation and air conditioning systems of industrial and civil buildings and underground buildings, the combination fire and smoke damper and smoke damper installed in the mechanical smoke exhaust system, and the natural smoke outlet used in the natural smoke exhaust system, and the constant closed ventilation valve in the mechanical pressurized air supply system. The fire valves used in other occasions can be carried out by reference.

National Standard of the P.R.C., The Safety Requirements for Marine Shipping Solid Bulk Cargoes: his standard specifies the groups and hazard classification of solid bulk cargoes, general requirements for marine shipping solid bulk cargoes and special requirements for individual solid bulk cargoes. This standard applies to maritime solid bulk cargoes within sea areas under the jurisdiction of the People's Republic of China. This standard does not apply to maritime bulk grains.

Transportation Industry Standard of PRC, Safety specification for commercial vehicle for cargos transportation-Part 2: Towing vehicle and trailer: This part of JT/T 1178 specifies the safety technical requirements and test methods for the vehicle, brake system, security, mechanical connection, gas electric connection, load distribution identification and lashing points, alarms and warnings of towing vehicles and trailers.

This section applies to N2 and N3 towing vehicles, O3 and O4 trailers and their combination vehicles.

National Standard of the P.R.C., Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Electric Fans: The standard specifies the energy efficiency grade, minimum allowable value of energy efficiency and test methods of electric fan. This standard is applicable to table fans, rotary fans, wall fans, slide fans, floor fans and ceiling fans driven by motors with single-phase rated voltage not exceeding 250V and other rated voltages not exceeding 480v.

National Standard of the P.R.C., Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Servers: This standard specifies the energy efficiency grade, minimum allowable values of energy efficiency, testing and calculation methods of servers. This standard is applicable to 1-way and 2-way general purpose tower and rack servers. This standard is not applicable to elastic server, computer server with integrated auxiliary processing accelerator, full fault-tolerant server, storage equipment (including blade storage) and network equipment.

National Standard of the P.R.C., Safety Technical Specifications for Children's Footwear: This standard specifies the terms and definitions, product classification, technical requirements, test methods and judgment of children's footwear safety technology.

This standard is applicable to footwear made of various materials for children under 14 years old and infants.