Tangshan Chemical IndustryCo., Ltd. has beenspecializing in making full face and half face gas masks, half facedust masks, chemical filters, activated carbon, air filters andother personal protective equipments for over 45 years. Now it isgenerally recognized as leading brand in China. Covering 55,000square meters, we have developed large production scale andprofessional technology which enable us to take massorder.TANGREN mask as our brand has beenvastly used in the field of chemical industry, warehouses, healthand epidemic prevention, scientific researches, fire protection,military affairs, anti-terrorism, armed police and any other toxicor harmful environments. We have regular orders of military gasmasks from army. Besides, activated carbon and chemicals forvarious applications are quite popular with consumers. In the pastdecades, all of our products have been sold to 80% regions in Chinaand exported to many other countries.Quality control is extremely strictto ensure whoever uses gas masks and other products safe. All ourproducts comply with national standards (GB) and China militarystandards (GJB). We passed ISO9001: 2008 quality management systemand gained certification of military product supplier.Excellent and professional servicesare always available. You are mostly welcome to reach us at anytimeand we sincerely hope to establish cooperation with your noblecompany.