Tourmaline beitun guangxian mineral products processing factory aletai
The quality of black tourmaline is best in China, at also is rare in the world, and the ore of tourmaline contain to measure 99% above, specific weight 2.98--3.20, degree of hardness 7-7.5, chemistry
tourmaline, ceramics, ball, pink.green, black, single crystal, powder, sauna, processing water, negative ion, far infrared ray, material, Electronics industry, voice electricity material,
Is this your site? Certify your site and update informations
