Art Sign have various types of mini rail for different market requirements.

The AS-SR-09 can be used with adjustable clamp and fixed clamp as below:

The AS-A-DR12 is to be used with fixed clamp with Art Sign aluminum D nut or T bolt.
The AS-DR-07B and AS-DR-07C is to be used with fixed clamp withArt Sign aluminum D nut.

All of the Art Sign solar mounting system mini rails’ lengths are customized, package is carton and plywood pallet.
Normally if the rail length is within 200mm, it will be packed by carton and then in pallets.
If the length is more than 375mm, it will directly packed by plywood as below:

For any inquiry for solar mounting rack, please feel free to contact us, E-mail: sales@artsign.net.cn, Whatsapp / Wechat Skype: +86 18030235875, thanks.