metal joints are WETOP bar flexible production system in the smallest cell modules are connected portfolio of complete sets of the smallest pieces of the bacic body. The metal connectors ,the use of 2.5 mm cold-rolled plate after cutting into a section repeadedly punching process is made of polished after plating branted paint or surface treatment SPD.
Advantages:
1.stable
2.optional
3.connectable
4.light
5.durable
metal connectors& combiner