Efficient development of science and technology strength, now work in hanzhong city mayor and other leaders visit our factory 来源：原创 时间：2019-09-08 My company project for grassland, mayor, deputy mayor, secretary of the municipal party committee and other leaders at all le··· Test center 来源：原创 时间：2019-09-08 With metal powder high-end test center, sample preparation, mechanical inspection, chemical composition, physical properties ···