1. EN12975, SPF, Solar keymark, CE, ISO9001 2.well performance, split system 3.High pressure 4.Payment:Sample 100% T/T in advance;FCL 30% T/T in advance, balance against the copy of B/L; 5.Manufacture capacity 6000 sets/month 10 Warranty 5 years for the whole system,10 years for vacuum tubes
