Chinese environment mark product certification certificate (oil)
Product certification of Chinese environment mark product, is the most authoritative domestic green environmental protection product certification, certification, also known as ten ring represents the official recognition of product quality and environmental performance, central united (Beijing) certification center designated by the environmental protection (environmental protection environmental certification center) is the only certification bodies, through document review, on-site inspection, sample test more than three stages of code review to determine whether the products can meet the national standards of environmental protection requirements.