We could offer overseas service and solve problem at the first time. There is one year free warranty for all project we offered. Our engineer helps overseas installation, debugging and maintenance. All design drawings and technology file could be offered for better instruction.

The advantage:

CSP solar collector and heat pipe solar collector convert energy from the sun into usable heat. This energy can be used for hot water heating, pool heating, space heating or even air conditioning. Our solar heating collector is made of heat absorption copper pipes and can have high efficiency even in winter or cloudy days.

The advantage of solar thermal collector:

1)Optional material of manifold casing:food grade stainless steel or aluminum alloy
2)Adopt three-target high efficiency solar vacuum tube
3)High efficiency heat pipe:Condenser pper pipe 8mm
4) high purity Cu,more than 99.999999%
5)10 years quality guarantee with keymark certificate.

 Shandong Zentek Power & Energy Co., Ltd is a leading company which is focus on design, manufacturing and developing renewable power solution products in China, our products are including on grid and off grid solar power system, solar thermal system, solar thermal power system, small and medium hydro power system.Shandong Zentek Power & Energy Co., Ltd is a leading company which is focus on design, manufacturing and developing renewable power solution products in China, our products are including on grid and off grid solar power system, solar thermal system, solar thermal power system, small and medium hydro power system.

Our target is manufacturing and service locally around the world, we are looking forward all kinds of cooperation in our field, such as EPC ,sub contract, JV factory and so on.

  1. What is your production capacity per year?
--Production capacity could reach 10 million pcs per year.
2. Do you produce the high borosilicate glass tubes all by yourself?
--Yes, we have 2 furnaces in our factory and over 20 coating lines. We could assure the stability of quality from the glass tubes to solar vacuum tubes.
3. How about the guarantee?
--Five years guarantee and 15 years' lifespan.
4. Is OEM available?
--Yes, we could help you design the logo and print logo on tubes and packages.