摘要
Up to now, there are nearly 200 enterprises in China having passed the product certification of environmental protection, which is of national grade and involves thousands kinds of products. A commissioner of CNCA (Certification and Accreditation Administration of the People’ s Republic of China) introduced on Nov. 2nd, 2004, that the product certification of environmental protection, as the third party evaluation system, provided the market of environmental protection industry with unitary