国产电动葫芦是从上世纪50年代以仿造形式开始生产与发展的。
Domestic electric hoist was produced and developed in the form of imitation in the 1950s.
1949年7月上海最先试制成功仿德国公司1.5t和3t一般用途钢丝绳电动葫芦，并投入小批量生产。
In July 1949, Shanghai first successfully manufactured a 1.5T and 3T electric hoist imitating the general purpose steel wire rope made by German company, and put it into small batch production.
从上世纪70年代末到80年代初，葫芦式起重机已进入到一个引进开发的新阶段。
From the late 1970s to the early 1980s, the hoist crane has entered a new stage of introduction and development.
电动葫芦关系安危，品质选择很重要  。
Electric hoist is safety related, quality selection is very important.