xinyang mingxiang industrial co., ltd. is engaged in the development of: perlite, vitrified microbeads, perlite filter aids, filters, bentonite, perlite residue removal agent, horticulture perlite, series of mineral products, anti-blocking agent, closed perlite, expanded perlite, pearl sand, zeolite powder, perlite insulation board, pearl sand, perlite insulation residue covering agent, perlite aids, lithium-based bentonite, perlite drip active white clay.