You know, you know, all these machine models, you know, you can do it either way
Derrick, tower crane, concrete transfer pump, external lift, etc
The construction of concrete construction crane equipment has: derrick, tower crane, concrete transfer pump, external elevator, etc
Serial number machinery or equipment According to specifications (the number) country of origin in manufacturing share power (KW) production capacity to the construction site of 14 derrick H = 1820 domestic hoist JJK good ascension mechanical 15, 2004-1.520 domestic 2004 1.8 good mechanical ascension