Heavy duty machineries that are having sufficient demand in .May 16, 2016 . Presently, heavy duty devices are available in various types and kinds for responding to the diverse requirements of construction sector. These also include transporting soil and other useful items from or to the construction site. On visiting any such spot, you can yourself experience the smooth functioning.comparison between bel and bh9l workhouse machineries of construction industry,Domestic Training - Cambodia Constructors AssociationSo Cambodia need a lot of construction materials. that why Cambodia Constructors Association. prepare the International-Cambodia. Construction Industry Expo on 29Nov.-01Dec. 2018. for construction materials & machineries. sellers have apportunities to showcase. their products in CCA's Expo event. Just the CCA's.