1.Fast speed of erection and stripping, scaffolding in CQ maximumly saves time and labour. 2.Versatile in different heights and sizes, scaffolding in CQ can almost meet requirements of any constructions. 3.Flexible wedge lock connection, scaffolding in CQ system can be used on the uneven ground. 4.Scaffolding in CQ provides easy access with platform and ladder when used for exterior walls. 5.Scaffolding in CQ can also be used to suppor floor slab in conjunction with beam and formwork.