少妇厨房愉情理9仑片视频-少妇厨房愉情理伦bd在线观看-少妇又紧又深又湿又爽视频-少妇又紧又色又爽又刺激视频-少妇又色又紧又爽又刺激视频-少妇大叫好爽受不了午夜视频

2017 China International Magnesium Fertilizer Symposium which is jointly organized by China Society of Plant Nutrition and Fertilizer Sciences(CSPNF) and Yingkou Magnesite Chemical Ind Group Co.,Ltd (Sinomagchem) will be held from 6^th to 8^th September 2017 in Dalian,China. The symposium theme is ”DIALOGUE WITH THE WORLD,LEADING THE DEVELOPMENT OF INTERNATIONAL MAGNESIUM FERTILIZER INDUSTRY”.

The symposium will focus on technology and application of international magnesium fertilizer and promote the rational application of magnesium nutrients to plant and sound development of magnesium fertilizer industry. The symposium will invite global scientific institutions of this industry, manufacturers, traders and international fertilizer organizations and institutions including IFA,FMB,New Ag to be attending.

The official language is Chinese, will provide English interpreter.

Welcome your participation! For SPEAKER or PRESENTER who want to join us, please send your material by email to Mr Jim yang (Email: tra1@sinomagchem.com ) before 25 Aug 2017.For any further information,please contact Mr Jim yang.