Construction of the bowl button steel scaffolding and fastener type scaffolding which cost high
A scaffold now is not how to use, is a relatively high cost, two is a scaffolding no disc Scaffolding Safety, but compared with the disc scaffolding fastener steel pipe scaffold is relatively cheaper, currently used more is fastener scaffolding, disc with a more foreign words.
High price of bowl buckle! Fastener market more, so rent cheap!
Bowl button steel scaffolding is not commonly used, so the relative price of a little higher
