ONESTEP mainly established for electrical industrial, we professional manufacturing dry packing products for PCB, LED, IC, semiconductor industrial, to protect your components from moisture.our professional products are desiccant bag, humidity indicator cards, humidity indicator plug, desiccant packing paper, ESD bags, sulfur free gloves and so onour products used in any field that need moistrueproof sealed packing. welcome for your inquiries, we shall try our utmost to support you