求翻译：喜满堂防辐射服创建于2005年，是一家集科研、生产、销售为一体的高新技术企业，公司拥有专业的技术人员长期从事防辐射面料与服装的研究，具有完善的管理体制和严格的质量监督部门。产品所采用的防辐射面料是目前国内最先进的屏蔽电磁波辐射材料，该面料经检测，其屏蔽效果达到99.99％，是什么意思？

Full radiation suit was founded in 2005, is a collection of scientific research, production and sales of high-tech enterprise, the company has professional and technical personnel engaged in research of radiation-resistant fabrics and garments, perfect management system and strict quality supervision departments. Products used in radiation protection fabric is currently the most advanced radiation of electromagnetic waves shielding material, after testing the fabric, its shielding effect at 99.99%,