By China machinery industry federation, association for science and technology of mechanical industry in shandong province, China international chamber of commerce chamber of commerce, weifang weifang, weifang industrial transformation and upgrading of economic and information commission office, office support, weifang machinery and electronics industry in shandong province casting association of 2018 fifth session of shandong (weifang) casting industry exhibition will open, According to statistics 2017 fourth session of shandong (weifang) casting industry exhibition has on 27 October 2017-29 in weifang lu convention and exhibition center held successfully. It has attracted 42,385 professional purchasers