Haining Haoguang Heat Collection Tubes Co., LTD

Dear Sir or Madam: We are the leading manufacture of producing kinds of standard solar vacuum tubes in o

Dear Sir or Madam: We are the leading manufacture of producing kinds of standard solar vacuum tubes in o

Structure All-glass double-tube co-axial structure Glass material High borosilicate 3.3 glass External pip

Dear Sir or Madam: We are specializing in producing many type and spec of solar water heaters in China. We ar

We can supply many type of solar water heaters and solar vacuum tubes to you. This split pressurized solar wa