Kraal Network's surface of wavy ring is galvanized, and other parts are rust-proof and corrosion-proof, which can adapt to harsh working environment and can last up to 20 years.
Kraal Network's ebusweni mihlobiso ring lashukumisa, kanye nezinye izingxenye kukhona nokugqwala-ubufakazi futhi ukugqwala-ubufakazi, okungase ukuzivumelanisa isimo esinzima ukusebenza futhi ingahlala iminyaka engu-20.