block crane meaning in English

钢锭起重机
钢锭输送吊车

Since its establishment , nitchi has specialized in employing its own in - house - developed technical know - how and advanced technology to dispatch chain blocks , lever hoists , electric chain block crane - related parts to the frontlines of industry
Nich公司自创办以来，一直凭着独自技术和先进的工艺为各行各业的工作现场第一时间输送链动滑轮，变速起重机，电动链动滑轮，吊车相关产品。