Zhengzhou Sunrise Refractory Co., Ltd. is mainly engaged in the research and development of refractory products. Over 30 years producing and marketing experience, with reliable quality, competitive price and prompt delivery, Sunrise has established long-t

Fused cast AZS brick is made by casting method, and air holes are caused during casting operation, generally, there are three kinds of air holes caused by casting.

ISO standard is the standard of environmental management system established by the international standard organization, which aims to improve the global ecological environment, comply with the international environmental protection and development, and ac

The entire furnace tank from melting tank, cooling tank until the molding part are all in contact with the glass liquid. The temperatures change from 1200℃ to 1600℃ during the whole process when the qualified glass is finished producing from material melt

Zhengzhou Sunrise Refractory Co., Ltd. is mainly engaged in the research and development of glass refractory products. Sunrise as a professional glass refractory manufacturer can provide excellent products such as fused cast AZS brick 33#,36#,41#, fused c

The reasonable operating system of glass furnace is an important guarantee for prolonging the service life of the furnace and obtaining the high quality products. The operation of the furnace must be carried out strictly in accordance with the procedures