4,Welding method(connecting the copper tube and the absorb layer): Ultrasonic welding.
Sub-Item: Absorb layer (four types for optional, Our standard specification is Germany tech titanium surface absorb layer.
Layer material=Cu+ Al
Layer material=Pure Cu
Germany tech titanium surface
Layer material=Cu or AL
Shanghai Libang Solar Water Heater Co Ltd.was established in 2004, integrating scientific research, production and trade.We are one of the high-tech enterprises in China.Our company is located in No.900,Lanfeng Road,Fengxian District ,Shanghai ,China.We provide energy saving and environment friendly products for domestic water heating and commercial project.The solar water heaters are used for residence,swimming and spa pool,apartment,villa,high-rise building,school,hotels,factories,hospitals etc.
Frequently Asked Questions Q: How to use in cloudy or rainy days? A: We could connect electric heater, gas heater or other boilers for bakup heating; Q: Freezing problem in solar water heater? A: Never, when snow more than 5 days electric heating will start to protect system; Q: Minimum order quantity? A: 20 set for each model of solar water heaters and solar water heaters; Q: Accept OEM production? A: Yes, offer to make customized logo on solar products and packing cartons.