貌似:CCOIC是CCPIT组建的.也就是说CCPIT是ICC的主管单位.其实在中国CCOIC就是CCPIT啦
CO里第五栏"For certifying authority use only"也是给CCPIT盖的.贸促会也有一个商会章盖在产地证第五栏,章的字样是“CHINA COUNCIL FOR THE PROMOTION OF INTERNATIONAL TRADE IS CHINA CHAMBER OF INTERNATIONAL COMMERCE"
仅供参考..