Railway vehicle is a kind of place with large passenger flow, most of the lines are in closed space, and it is also a place with disorder and dense personnel, so it is difficult to escape and rescue in case of disaster. In recent years, train fire accidents have occurred many times, resulting in many

Hebei Zeal Glass Fiber Materials Co., Ltd. ushered in the first snow of 2019. With the feeling of soft snow, the love of acacia, spreading the snowflakes of the sky, spreading the blessings and expectations full of heart to the customers and friends who have always supported us. Hebei Zeal Glass Fiber Materials Co., Ltd.