Haikou Union General Building Materials Co., Ltd., Which is a professional sell lava basalt in China. We own ourselves quarry in Hainan.
We are basalt (lavastone) manufacturer located in beautiful HaiNan Island, China. HaiNan is basalt basis with abundant natural basalt resources.
Lava stone is a common extrusive volcanic rock. It is usually grey to black and fine-grained due to rapid cooling of lava at the surface of a planet.
The nature basalt has polished, honed, bush hammered, sand-blasted, ush-hammered, saw cut and brushed on sawn etc.