Our high quality perlite, which is naturally occurring siliceous rock, can be safely used in construction applications, horticultural applications and industrial applications.
我们高品质的珍珠岩，它是自然发生的硅质岩，可安全地应用于建筑应用，园艺，应用和工业应用。
Our high quality perlite, which is naturally occurring siliceous rock, can be safely used in construction applications, horticultural applications and industrial applications.
我们高品质的珍珠岩，它是自然发生的硅质岩，可安全地应用于建筑应用，园艺，应用和工业应用。
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