“Wolff”Tower Crane model 100EC Jib 50m TipLoad 1.65ton Max 6ton by BTS Group rent for construction of 23floor condominium since November 2014 together with “Anka”Passenger Hoist model SC200TD twin cage capacity 2000kg each high 70m @ “Pela”Condominium, Wuttakard, Bangkok, Thailand dated August 2015