There is an accumulative discount - for this purpose register in the personal cabinet of the shop https://factoryreg.com/client/user/register/.

from 100$ - 3%
from 200$ - 5%

Also for subscribing to the telegram channel there is a promo code for 5% - subscribe https://t.me/factoryreg.
Cumulative discount and coupon for 5% stack that in total gives a good bonus