PVC plastic buckle plate ceiling with what keel ah?
Wood keel, this wood keel is generally finished, bought can be used.
Plastic buckle, it should be wooden keel, is the wooden side. If it is aluminum buckle, it should be light steel keel.
PVC gusset plate should be used "head" word dragon skeleton, keel spacing of 400mm-600mm, suspended skeleton to add boom, spacing 1m.
Aluminum gusset used keel should be supporting keel, dragon keel spacing of 600mm, fixed boom should be supporting the simple telescopic boom to prepare for the adjustment of the dragon skeleton.
Now the basic use of aluminum buckle plate plastic buckle plate market is rare to recommend the use of aluminum plate.
