Solar Module’s quality derives from classy material, advanced processing technology and strict quality control system. In Phono Solar, we assembly the best components on the module. Each kind of raw material is undergoing rigorous testing and inspection before mass production. Based on ISO9001 standards, every process is repeatedly tested, to ensure that no defect has opportunity to move to the next process.

Phono Solar own the world's leading PV testing center, which covers an area of 1,300 square meters. Up to 27 tests are running 24-hour uninterruptedly according with the standard higher than IEC. 100% testing ratio on visual inspection, EL testing, pressure testing, mechanical load test and aging test, to ensure Phono Solar module’s safe and smooth operation within 25-year time, which is able to guarantee the investor using our module to obtain a stable return on investment. This test center has received approval SGS and Bureau Veritas.Certification from CNAS, CSA and Intertek.

Additionally, Phono Wind also established the seaside wind turbine testing farm in China and Germany, which complied with two standard IEC 61400-2 and AWEA 9.1 at the same time. Meanwhile, in China, this Intertek approved outdoor testing farm is the ONLY one, which can do the test on turbines according with North American and European voltage at the same time. Not only is the testing farm, Phono Wind also has a Intertek approved generator laboratory. Long-term experience from outdoor and indoor testing makes sure Phono Wind system’s reliable quality.