Key features: High-yield modules with high level of efficiency : Automatic cell and module production with 100% quality control and product trace-ability. 0 to +3% of positive power tolerance guaranteed Pid free(potential induced degradation) Heavy load mechanical resistance : Tuv certified (5400pa tested against snow and 2400pa against the wind ) The production system is iso9001, iso14001, ohsas18001 certified Fire test approved : application class a, safety class ii, fire rating c, type 1 High salt mist and ammonia resistance Enhanced design for easy installation and long-term reliability. Warranty: 12 years limited workmanship warranty. No less than 97%output power in the first year. No more than 0.7% annual declination since the second year. 25 year warranty at 80.2% power output. Product liability and e&o insurance has been covered by chubb insurance Certification:tuv, ce, mcs, pid, iec, iso, rohs, cqc etc Why suntellite 1.One of the most dynamic and fastest growing companies in pv industry 2.One stop solutions 3.Tuv simulated laboratory 4.Barcode system 5.El test for twice 6.Automatic production lines 7.Positive tolerance 29pcs/pallets