ZHEJIANG XIELI SCIENCE & TECHNOLOGY CO., LTD has more than 40 advancedautomatic mask production machines, and a professional sterile production plantequipped with strict requirements for manufacturing process and productionenvironment. It has 100000 level air purification workshop, pure water treatmentsystem, mask testing equipment and sterilization equipment. Daily capacity is1,000,000 pieces/day.Our have passed the EU CE and the US FDA certification.