The gas recovery system of glass kiln developed independently by Jingniu Glass- Ceramics Group has equipped production lines of many glass enterprises and gained good reputations. The new technology of furnace-reduction and energy-saving adopted in the first and largest ceramics production line last year has reached annual capacity of 0.25 million square meters, and the energy consumption reduced to the lowest line in the past 15 years . The picture below shows the chimney without smoke under production of Xingtai Ceramics.