GB21456-2024 “Minimum Allowable Values of Energy Efficiency and Energy Efficiency Levels for Household and Similar Kitchen Appliances” officially took effect on September 1, 2025, marking a new stage of unified and standardized energy efficiency testing for kitchen appliances. As the only dedicated pans specified in this standard for energy efficiency testing, the GB21456 Standard pans are not only a core tool to ensure the authenticity, authority and traceability of energy efficiency data for 6 types of kitchen appliances such as induction cookers and rice cookers, but also a “must-have equipment” for enterprise production, certification by testing institutions and market supervision.
I. Strictly Selected by National Standard, Full Compliance in Material and Specifications
The GB21456 Standard Pans strictly follows national standard requirements. From material to size, and from craftsmanship to details, every part accurately aligns with the national standard, completely eliminating the hidden danger of “false standards”:
- Exclusive Material with Stable Magnetic Conductivity: We adopt Q235 low-carbon steel, strictly controlling the carbon content below 0.08%. This material has excellent magnetic conductivity and consistent heat transfer, ensuring accurate and error-free data in induction heating tests.
- Precise Sizes Covering All Scenarios: We provide four specifications — B1 (Φ140/1L), B2 (Φ200/3L), B3 (Φ220/4L) and B4 (Φ280/6L), which can adapt to the entire series of induction cookers from small household power to large commercial power, meeting the testing needs of products with different powers and capacities.
- Strict Craftsmanship for Reliable Performance: We prohibit outward convexity of the pot bottom, controlling the maximum concavity within 0.6% of the effective diameter to ensure perfect fit between the panbottom and the heating panel and uniform heat transfer. Both the pan body and lid undergo sanding and rust-proof treatment, featuring a smooth surface, durability and rust resistance, with stable performance in long-term tests. The lid adopts a unified thickness of 1.0mm to reduce heat loss and ensure consistent testing conditions.
II. Accurate Energy Measurement, Authoritative and Traceable Data
In the energy efficiency testing of kitchen appliances, the pan is a key variable affecting the thermal efficiency test results. Due to differences in material, thickness and flatness, ordinary pots cause large fluctuations in test data, making them worthless for reference. However, with unified standards, craftsmanship and performance, the GB21456 Standard Pot becomes the “benchmark” for energy efficiency testing:
- Only Compliance Ensures Valid Data: Only the energy efficiency data tested with the GB21456 Standard Pansmeets Chinese national standard requirements, serving as the “pass” for products to obtain energy efficiency labels and enter the market smoothly.
- Stable Results for Reliable Comparison: The standardized design completely eliminates panvariables, ensuring that test results of products in the same batch and different batches are repeatable and comparable, providing a reliable basis for enterprise R&D optimization, certification by testing institutions and market supervision inspections.
- Compatible with All Categories for Efficient Testing: The standardpan is not only suitable for induction cookers, but also for energy efficiency testing of rice cookers, electric pressure cookers and other kitchen appliances. One set of pans can meet the testing needs of multiple categories, effectively improving testing efficiency.
III. A Choice of Quality, A Choice of Professional Trust
Choosing the GB21456 Standard Pan means choosing a professional testing equipment recognized by the Chinese national standard, with accurate data, stable performance and long service life. Each of our standard pans undergoes strict factory testing and can be accompanied by an authoritative calibration certificate, ensuring full compliance with GB21456-2024 standard requirements.
Whether it is R&D testing and quality control for production enterprises, or authoritative certification for testing institutions and inspection and verification for market supervision, the GB21456 Standard Pan is your best choice. With the Chinese national standard as the ruler and accuracy as the priority, we ensure that every energy efficiency test is evidence-based and authoritative, and jointly promote the kitchen appliance industry towards a new future of efficient, green and sustainable development!
