Product name: Solar Vacuum Tube
Model: 58-1800MM & 58-2100MM
Material: High Borosilicate Glass Tube 3.3
Absorption Ratio: 92%
Emission Ratio:8%
Guarantee Period: 5 years
Tubes: 47*1500 / 47*1800 / 58*1800 / 58*2100
Application:Solar Water Heater & Solar Collector

Shandong Zentek Energy and Technology Co.,ltd is one of the reliable factory and suppler for solar vacuum tube、heat pipe solar vacuum tube、heat pipe solar collector、solar water heater and parts for SWH over 12 years,we have the world class full range of automatic lines for solar thermal products from glass tube to solar water heater .

With our 12 years expediences in producing solar vacuum tube our quality is the most stable one in the market ,with the help of experienced engineer who are working in Linuo before more than 20 years ,we are control the quality very strictly ,such as absorption rate(over 92%),stagnation temperature(over 240 degree) and emission rate(below 7% ) is much high level compare the national standard.

Right now,we have more than 10 million pcs output which can make sure the in time delivery to the worldwide market.Also,Our super quality solar vacuum tube have exported to USA,Germany,Italy,India,Mexico,South Africa,Middle East and so on.Our target is to be the number one supplier in the world for the solar vacuum tube and we will do our best to leading the quality and service in the market.