Recently, the State Administration of Quality Supervision of product quality checks show that the product sample pass rate was 82.5%. The sampling of the thermal performance of domestic solar water heater, rain, pressure, support strength, support stiffness, thermal energy storage tank, cold leakage current, dielectric strength, grounding resistance, thermal protection, safety devices and the appearance of 12 projects inspection, involving Guizhou, Hebei, Jiangsu, Zhejiang, Anhui, Shandong, Hubei, Guangdong and other eight provinces, 40 companies produced 40 kinds of products (not related to exports).
Sampling results show that large-scale production enterprises qualified product sampling rate of 100%, better product quality. And some small and medium sized manufacturers of products, there are some quality problems. Sample found in the main quality issues, including some of the products heat failure, pressure failure of individual products, may appear to run water heaters, hot bad furniture and flooring.