We're the pioneer company in the research & development and manufacturing of the solar water heaters.erjin solar is a supplier of high quality, low cost, easy to install...We have many types of products, such as solar water, solar water heater, solar pipe, solar heating, solar collector, solar heat pipe, solar vacuum tube, solar energy, heat pipe, solar heater, solar panel, heat pipe, vacuum tube, U pipe, evacuated pipe, solar Heat Collector, separated solar water heater, split solar water heater, compact solar water heater, direct-plug solar water heater, flat plate solar water heater, tank with copper coil.
Well material:
Vacuum tube is made of 3. 3 high boron silicon glass tube that satisfies QB/T2436-99(idt)ISO4803-1978 standard, with high transmittance, well cold and thermal shock resistance and strong optics stability.
Quality Assurance:
Strictly follows the national standards GB/T17049-1997 starting from raw material purchase to finished products, all the employees cooperate well and never allow any faulty products.
Specification: 47-1200\47-1500\ 58-1500\58-1800\ 70-1700