求翻译：宋正升先生在1987.12～2007.12期间持有中国无损检测学会颁发的超声波检测Ⅱ级证书、射线检测Ⅱ级证书、磁粉检测Ⅱ级证书和渗透检测Ⅱ级证书。2007.12月开始持有中国无损检测学会颁发的超声波检测Ⅲ级证书、射线检测Ⅲ级证书。宋正升被我公司聘用期间，从事超声波检测、射线检测、磁粉检测和渗透检测工作，负责本公司的无损检测技术工作。完全具有超过上述4种无损检测方法的Ⅱ级专业水平和工作能力。是什么意思？

Mr. Song Zhengsheng held in the 1987.12 to 2007.12 during the ultrasonic inspection level II certificate issued by the China Society for Nondestructive Testing, Ⅱ level certificate of ray detection, magnetic particle testing level II certificate and Penetrant testing level II certificate. 2007.12 mo

Mr. Song is in the holding period 987.12 to 007.12 Non Destructive Testing China Society of ultrasonic detection II level certificate, Ray Test II level certificate, magnetic detection II level certificate and penetration testing II level certificate. 007.12 start, holding China's non-destructive de

Song Zhengsheng 1987.12~2007.12, issued by the Chinese society for non-destructive testing during ultrasonic testing of secondary certificates, certificate II-ray detection, magnetic particle inspection certificate II level certificate and penetration testing. 2007.12 month Chinese ultrasonic testin