... non-stimulating materials.4. comfortable and adjustable foam nose pad5. The high-efficient and strong electrostatic filtering materials ... , grinding medicine, disintegration projects, cement, agriculture and animal husbandry, cutting dust, pollutes from heavy metal ... FactoryTelephone: 86 (0769) 86510196Fax: 86 (0769) 83579326Zip Code: 523330Address: Xiazeng, Shipai Town, Dongguan City, Guangdong ...