According to reports, compared with the original standard is being revised "domestic gas with" national standards, will be critical for some modifications in the content, promote technological progress and environmental protection, and user-friendly. These changes include: thermal efficiency to further enhance the product is intended for embedded stove hole size set to maximum recommended to avoid the loss of consumers, will be integrated cooker strict inclusion criteria and norms. In addition, to avoid corporate virtual standard of energy efficiency, is being revised standards will also test the enterprise pot, test conditions and test environment to be clear.