According to the enterprise standard Q/TZ01-2020 "New Compound Water Grate", the samples sent are tested, and the tested items are compound standard requirements.
According to the enterprise standard Q/TZ01-2020 "New composite water tweezers", the sample sent for testing, the project composite standard requirements.
According to the enterprise standard Q / tz01-2020 "new composite water grate", the samples were tested, and the tested items meet the requirements of the standard.