Dear Sir / Madam We Shanghai Linckle Energy Co., Ltd.in China, designs, manufactures and exports high quality thermal solar water heater and solar PV, ect. We as a manufacturer of solar water heater and solar collector system & accessories&PV, including all glass vacuum tube, heat pipe, etc. With approval of ISO14001 and CE and obtained Keymark, we always treat the quality and quality control as our company's life in the market. Should you have any interest of these items mentioned above Kindly let us know by return this mail. Yours faithfully Linna Shanghai Linckle Energy Co., LTDTel: 86 21 66400000Fax: 86 21 66400000MB: 86-136 7184 3635Skype: linnaniu1 Msn: linnaniu at live.cn qq: 870803185