IPC Xiamen Technology seminars was held in Xiamen Huaxia hotel on Aug.23rd 2013. KQXH was invited for participation. Our president Yan Yongnong made a speech of <<the whole solution of Quality improvement, process simplification and cost down>>. Yan zong emphasized from the environment compliance, welding reliability and the convenience and economy, and analysised ICHIMURA water soluble solder dross solution in all round and got interactions with audience. Mostly Yan zong got a high praise from the audience for his intensive analysis. This seminar completed successfully.