1, ISO9001:2008 Quality Certification 2, Good wear resistance; 3, good self-lubracation; 4, Low temperature resistant; 5, non water HENAN OKAYorbtion, non stick; 6, highly rrosion resistance, etc. 7, Quick installation: quick assembly/disassembly indoor and outdoor. 8, Low st: low operating and maintenance sts. Project st 1/5 with real ice.