中国液压气动密封件工业协会于１９９９年１１月７～８日在上海市召开了理事扩大会，会议期间，气动专业分会于１１月８日下午召开了分会理事扩大会。分会理事长、无锡气动技术研究所所长斯方华、分会副理事长、肇庆方大气动有限公司总经理李坚以及上海气动成套厂副厂长吴登奎 China Hydraulic Pneumatic Seals Industry Association held an enlarged meeting of directors in Shanghai from November 7 to November 1999. During the meeting, the Pneumatic Professional Branch held an enlarged meeting of the branch directors on the afternoon of November 8. Branch chairman, director of Wuxi Institute of Pneumatic Technology, Fanghua, vice chairman of the branch, vice president of Zhaoqing Fangda Pneumatic Co., Ltd. Li Jian and deputy director of Shanghai Pneumatic Factory Wu Dengkui