Looking for natural dog treats Germany

we are looking for natural dried dog treats - in packages from off 5 kg up (a single bag) - bulk can be up to 200 kg - depends on article.
There is no specific wish. Our runners are beef jerky (kurutulmus sigir eti) from cow and horse;
horse lung pieces, cow lung pieces, cow scalp in rods or plates, any kind of small bites of any kind of animal.