On 26th , April,the seminar on the industrial standard of “Wall-flow honeycomb ceramics designed for Diesel Engine DPF ”  drafted by the Shanghai Institute of Ceramics, Chinese Academy of Sciences, the Jiangsu Province Yixing Nonmetallic Chemical Machinery Factory Co.,Ltd and other concerned autorities was held in our company. The related specialists from National Industrial Ceramics Standard Technology Committee participated in this meeting and discussed the amendment suggestions for this standard. All the experts agreed on that the standard should be revised and completed as soon as possible to provide a normative product technical standard and solid product support for inplementing our national Phase IV & Phase V diesel engine emission standards.