Doctor air purifier / chlorine dioxide diffuser.
School Lab Equipments, Lab Equipments , Scientific Lab Instruments Educational Equipments .
We Supply Quality Tested by the accredited laboratory of China and CCIC accepted, and currently used by China and other Country, passing the required Assay Test and its Elements
We Supply Quality Tested by the accredited laboratory of China and CCIC accepted, and currently used by China and other Country, passing the required Assay Test and its Elements
We Supply Quality tested by the accredited laboratory of Singapore, accepted, and currently used by Singapore, sand key, passing the required particle size distribution, shear strength, specific gravity, purely river sand free from organic and other deleterious matters, silt and coral / shell contents no more than 2%, and metallic and chemical elements at minimum contents far lower than tolerable limit set by JTC (Singapore).
We Supply Quality tested by the accredited laboratory of Singapore, accepted, and currently used by Singapore, sand key, passing the required particle size distribution, shear strength, specific gravity, purely river sand free from organic and other deleterious matters, silt and coral / shell contents no more than 2%, and metallic and chemical elements at minimum contents far lower than tolerable limit set by JTC (Singapore).
