320 -345 watt 5BB Poly Solar Panel
335 -360 watt 5BB Mono Poly Solar Panel
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285 – 310 watt 5BB Mono Solar Panel

Electrical  parameters at  Standard Test  Conditions  (STC)
Module typeYLxxxD-30b   (xxx=Pmax)
Power outputPmaxW310305300295290285
Power  output tolerancesΔPmaxW0 / + 5
Module  efficiencyηm%18.918.618.318.017.717.4
Voltage  at PmaxVmppV33.332.932.432.231.931.7
Current  at PmaxImppA9.329.
Open-circuit  voltageVocV40.740.640.540.239.939.6
Short-circuit  currentIscA9.709.629.529.489.459.41










By SeaDelivery from Qingdao seaport
By airDeparture from Qingdao or Shanghai Airport
By expressBy TNT/DHL



Payment TermT/TEXW30% T/T in advance, paid the balance before shipment
CFR30% T/T in advance,paid the balance before shipment
L/CL/C amount above 50,000 usd, we can accept L/C at sight
West UnionAmount lower than 1000usd
PayPalAmount lower than 1000usd
Delivery Time7~15days after receiving payment for one container









1.Q: Are you a factory or trading company?
A: We are an intelligent factory,owing automatic production line,it decreases the labor cost a lot and make our price is very competitive.

2. Q: Where is your factory located? How can I visit there?
A: Our factory is located in Yantai city,Shandong province, China. You can fly to Yantai airport or Yantai railway station.We will pick up you there.

3. Q: Does your company also provide other solar products except solar panel?
A: Yes, we also provide solar power system,solar street light,solar mosquito killing lamp etc.Our technical team provide one stop solution.

4. Q: Can the price be cheaper?
A: Of course, you will be offered a good discount for big amount

5.Q:What is the relationship between Goldsun New Energy and Yingli Energy(Yantai)Co.,Ltd?

A: Goldsun New Energy is the shareholder and authorized sales company.

6.Q:How to guarantee the quality and service?

A: Each solar panel has a security code ,you can check it on our head quarter’s web.We sign contract for warranty.