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We are a manufacturer of stones in China, can supply you a new kind of stone-nature volcanic for decorative material.</P><P>The volcanic in Hainan china is a kind of porous basalt with about 10 percent gas holes. It is hard and gray, needn¡¯t polish. As a kind of ideal decorative material, it makes the square, the tourist attraction, or the courtyard simple and unsophisticated, serious and solemn. It also can absorb the sound and dust indoor []
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