The diameters are 47mm, 58mm, 80mm.
The general size of the sealing ring of the water inlet of the solar water heater bucket can be measured with a ruler. Seal ring sizes include 47mm and 58mm, 84mm and 70mm. You can measure the diameter of the vacuum tube. Generally, use one hand to hold the vacuum tube. Tube 47 may be easily grasped by the thumb and index finger, tube 58 may be difficult to grip, and tube 70 is even more difficult. The 84 tube is currently only available from Huang Ming and features an off-center design that can be recognized at a glance. The raw material is high quality environmentally friendly silicone material. The main characteristics of the product are: resistance to high and low temperatures and resistance to aging.
There are a total of 84 listed companies in the field of solar energy, of which 34 are listed on the BShanghai Stock Exchange and 50 are traded on the Shenzhen Stock Exchange.
What are the values of the solar sector? Solar Energy Concept Stock List (stock code: 300102) Code: 002309)
Tuori Xinneng (stock code: 002218) Shouhang Energy Saving (stock code: 002665)
Amaden (stock code: 002623) Weike Essence (stock code: 600152)
Sunflower (stock code: 300111) Zhonghuan Technology (stock code: 002129)
Sungrow (stock code: 300274) Jolywood Technology (stock code: 300393)
Zhaoxin shares (stock code: 002256) Ganneng shares (stock code: 000899)
Oke shares (stock code: 300082) Little Swan A (stock code: 000418)
Aviation Power (stock code: 600893) Hongfa Co., Ltd. (stock code: 600885)
Tellhow Technology (stock code: 600590) Optoelectronics Co., Ltd.(Stock Code: 600184) p>
Huitian New Materials (Stock Code: 300041) Variety Show Co., Ltd. (Stock Code: 600770)
Lanhua Science and Technology (Stock Code: 600123) Hengdian DMC (Stock Code: 002056)
p>Dagang Holdings (Stock Code: 002077) AVIC Sanxin (stock code: 002163)
Kangda Technology (stock code: 002516) Beixin Building Materials (stock code: 000786)
< p>Foster (stock code: 603806) Costar (stock code: 002518) )CSG A (stock code: 000012) Dunan Environment (stock code: 002011)
Hongrun Construction (stock code: 002518) Code: 002062) Shenergy (stock code: 600642)
Silver Star Energy (stock code: 000862) Jinzhi Technology (stock code: 002090)
Maoshuo Power (stock code: 002062) Code: 002660) Jinggong Technology (stock code: 002006) )
Fangda Group (stock code: 000055) Vantage Holdings (stock code: 002035)
Oriental Risheng (stock code: 300118) Yi Jing Optoelectronics (stock code: 600537)< /p>
YouXinxing cast yau (stock code: 000778) GCL integration (stock code: 002506)
Beijing Yuntong (stock code: 601908) Xiuqiang Co., Ltd. (stock code: 300160)
TBEA (stock code: 600089) Aerospace mechanical and electrical (stock code: 600151)
Aikang technology (stock code: 002610) Leshan Electric energy (stock code: 002610) stock: 600644)
Wangfujing (stock code: 600859) Jiangsu Sunshine (stock code: 600220)
Tianlong Optoelectronics (stock code: 300029) Shanshan Co., Ltd. (Stock Code: 600884)
East China Technology (Stock Code: 000727) Minjiang Hydropower (Stock Code: 600131)
Longi Holdings (Stock Code: 601012) Shanghai Tianyang (Stock code: 601012). code:: 603330)
Yangjie Technology (stock code: 300373) Shanghai Electric Power (stock code: 600021)
Zhongtian Technology (stock code: 600522) Hubei Energy (stock code: 603330) 000883)
Linyang Energy (stock code: 601222) Dongfang Electric (code stock: 600875)
ST Hairun (stock code: 600401) Dongcai Technology (stock code: 601208)
Shenzhen Energy (stock code: 000027) Baobian Electric (stock code: 600550)
Shanghai Electric (stock code: 601727) Sanan Optoelectronics (stock code: 600703)
p>
Liaoning Chengda (stock code: 600739) Bowei Alloy (stock code: 601137) )
Tongxu Lantian (stock code: 000040) Shenzhen SEG (stock code: 000058)
pNorthern International (stock code: 000065) Suzhou Good Technetium (stock code: 002079 )
Laybold High-tech (stock code: 002106) Yonggao Co., Ltd. (stock code: 002641)
Jingsheng Electromechanical (stock code: 300316) Kangyue Technology (stock code: 300391)