Gray quartz tubeis the  ;good material for electric heating and far-infrared heating. It has bee n enjoying high reputation since it& nbsp;came out. On the basis of sustaining innovation and rich experience ,its quality has entered the best&nb sp;line of this field in China,even& nbsp;in Asian market. Low price with high quality.,excellent service is also provided here.
Color quartz tube is o ur company's special product.Gray quartz tube is one kind of color  ;quartz tube.It has many advantages over other common quartz tubes.Also,it&nb sp;is a new product. It can be& nbsp;used in heating element,used as  ;heating tubes.