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Summary: There are six levels of volumetric density: B, B, B, B B, and B There are seven strength levels: A, A, A, A, A, A, an[Read the full text]
Summary: as the main raw materials, with an appropriate amount of aerating agent, regulator, bubble stabilizer added, mixing, p[Read the full text]
Summary: There are seven strength levels: A, A, A, A, A, A, and A The following standards contain provisions that constitute [Read the full text]
Summary: There are six levels of volumetric density: B, B, B, B, B, they can negotiate with the production factory to determine[Read the full text]
Summary: as the main raw materials, with an appropriate amount of aerating agent, regulator, bubble stabilizer added, and proce[Read the full text]