Before i ever work at an Singapore company which have branch at Batam Island, Indonesian.

In fact long reach or we also say it as super long arm... 

the longest we have made is reach 20 meter.

it is not an difficult to made it..

one month can be 10 set just about 10 person..

and because we must export to singapore so maximum container we use is only 40 feet.

but if we made in there part can be more longest. it depent on how long do u want to use...

we also repair used excavator..

and something more interesting is amphibi..

which can be use on the sea, on water surface...

it weight about 16 Tons..

not include machine..

it suit for shipyard or any work near at beach..

so you does't need use flooting...

just one set of amphibi that about S$150.000,- only.'