On December 7, 2014, Zhejiang Meili Technology Co., Ltd. convened the company's technical consultants, some research and development personnel and the head of the testing center to hold a technology and patent seminar. Company Chairman Zhang Bihong presided over the meeting. Professor Zhang Yinghui of Beijing University of Science and Technology and former Secretary-General of China Spring Industry Association Liu Huihang attended the seminar.

At the invitation of the editorial board of the 3rd edition of the Spring Manual, the company undertakes the heat treatment and strengthening treatment of spring in Chapter 5 and the surface treatment of spring in Chapter 6 of the Spring Manual. At present, the company has set up a writing team to decompose and implement the tasks. At the meeting, detailed discussions were held on the compilation outline, the members of the compilation team published their own compilation ideas, and Professor Zhang Yinghui and Secretary General Liu Huihang gave specific compilation guidance.

company's technical consultants, research and development personnel and the person in charge of the testing center talked freely about the working ideas and specific projects of patent application, and actively undertook the task of patent application. Chairman Zhang Bihong asked all the participants of the company to actively apply for patents and practice the core values of "innovation", so as to make Meili a world-class company and vigorously promote the implementation of the company's patent development strategy.