we are manufacture not trade company against high tempreture tubes Expansion coefficient is 3.3 can do fire polished ends

Our company is ZIBO RUICHEN Special Glass Limited Company, The main production is are borosilicate glass tubing & rod, the OD of article glass is between 8mm and 400mm, and the glass rod is from 3.5mm to 42mm. Our company, the biggest borosilicate glass factory in ZIBO, has been regarded as the high-tech enterprise. We can produce 16500 metric ton in every year. The production is exported in many countries, such as Japan, India, and USA and so on.

   The special products of our company such as the large tube between 130mm and 250mm are in the lead on this line. we have researched and developed the large tube 300mm-400mm successfully, which complement some blanks in technology.

high clear glass pipe Borosilicate Glass 3.3 Triangle tubes