1. Safe and reliable: high borosilicate heat-resistant glass, which is not afraid of cracking when heated by open fire. No harmful chemical ingredients are added, it is blown manually, with high strength and hardness, safe and reliable. It is resistant to sudden cooling and heating, has good physical and chemical properties, and has excellent chemical stability.
2. Customization: size, thickness, shape, etc. can be customized according to customer needs.
3. Beautiful: the bottom is smooth, the cylinder wall is uniform, and the permeability is high.