由国家科委和机械部主办,北京长城铸造公司承办的“第二届全国覆膜砂技术应用研讨会”日前在承德举行。它对我国覆膜砂技术的推广应用与发展,对促进我国铸造业水平的提高是一次很好的机会。 作为机械工业的基础行业,铸造行业在很大程度上决定着机械产品的质量及其性能水平。北京长城铸造公司总经理、国家级青年专家秦升益同志在有关 Sponsored by the State Science and Technology Commission and the Ministry of Machinery, Beijing Great Wall Casting Company contractors “second session of the National Coated Sand Technology Seminar” was held in Chengde recently. Its promotion and application of the coated sand technology in our country is a good opportunity to promote the improvement of the foundry industry in our country. As a basic industry in the machinery industry, the foundry industry to a large extent determines the quality of machinery products and their performance level. Beijing Great Wall casting company general manager, national young expert Comrade Qin Shengyi in the relevant