Shandong CTNO New Energy Co., Ltd is specialized in heat pipe solar collectors, vacuum solar tubes, solar water heaters and split solar heating kit systems. We have been engaged in the solar industry since 2009, and our operation complies with the ISO 9001 certification. Our supplies of solar water heater parts and whole systems can be used for individual, commercial, industrial domestic and international users.
The heat pipe solar collectors we are offering are tested in Germany ITW and are issued by DIN Certco Solar Keymark (Registration No: 011-7S331 R ) . Please contact us now for more information.