◪ The power shall not decline more than 10% within 10 years, and the product shall have a service life of 25 years
◪ The product complies with the requirements of eu WEE directive and ROHS directive,
and has passed the professional authority test certification (SGS,UL, CE, 、TüV）
◪ Tunto panel produced under ISO9001，ISO14000 quality control system.
◪ CEC certification for electrical and mechanical products approved by Australia.
◪ IDCOL Certification by Bangladesh marking.
◪ UL certification for USA.
◪ All the QC control system and certification approval make Tunto solar panels more reliable in the market.
① Any large or small on-gird or off-gird solar power stations
② Commercial and industrial building roof-top systems
③ Residential roof-top systems
④ Any commercial or industrial ground mount systems
⑤ For solar pump system
⑥ For solar street lights, garden lights, wall lights, solar lanterns and so on
① We must choose regular manufacturers with complete qualifications and good reputation.
It is better to visit the factories in the field, so that the quality can be guaranteed.
② Look at the conversion rate of panels and select auxiliary materials, such as glass, EVA and profile of outer frame.
③ See the quality of the border, is not strict rectangular, error is not large.
♦ We must choose regular manufacturers with complete qualifications and good reputation.
Our company provides operating instructions to ensure users can use our products correctly.
♦ Quality is the life of enterprise, service is the continuation of life;
Customer demand is our demand, "quality first, customer first",
for domestic and foreign customers to provide sound quality technical services.
♦ There are other specifications for our products to choose from.
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