各有关单位:2010年卷《中国齿轮工业年鉴》经过近两年的编、审、校等工作,已印刷发行,并于中国齿轮专业协会2010(南通)年会上举行了《年鉴》首发式。本期《年鉴》收入了近四年齿轮行业及其包含的小行业发展进步情况及有关数据和统计资料,内容丰富、祥实,对齿轮、齿轮传动产品生产企业 Relevant units: The 2010 China Gear Industry Yearbook has been printed and distributed after nearly two years of compilation, trial and school work, and was held at the annual meeting of China Gear Professional Association 2010 (Nantong) . In this issue, the annual income of the gear industry and the development of small industries it contains in the past four years and related data and statistical data are rich and honest, and are good candidates for the production of gears and gear transmission products