... bright, with a long, slender stem and flat base. The outward appearance is elegant, high quality; various designs; moderate in price; popular with ... . The heat-resistant products, such as coffee pot and tea pot, are made from high borosilicate glass with 3.3 coefficients of expansion ... -20~150°C.The company’s main products are coffee pot, artificial blowing wine glass, tea and wine set ,glass vase ...