1993年10月18～21日,中国颗粒学会测试专业委员会在山东建材学院举办了中国首届颗粒仪器展览、评议会。参加此次展览会的有来自全国的颗粒仪器生产厂、专业公司、大专院校等20多个单位。他们带来参展的各种颗粒测试仪器代表了当前该领域国产仪器的最高水平。展览期间,厂商免费为观众做了来样测试,许多是专程赶来送样的,有几台仪器当场成交。 From October 18 to 21, 1993, the Testing Committee of China Granular Society held the first particle instrument exhibition and council in Shandong Institute of Building Materials. At the exhibition, there were more than 20 units from grain factories, professional companies, universities and colleges across the country. The various particle testing instruments they brought to the exhibition represented the highest level of domestically produced instruments in the field. During the exhibition, the manufacturers did a sample test for the audience free of charge. Many of them made a special trip to send samples, and several instruments were traded on the spot.