heroos sealing material Co., Ltd. is a set research and development, production, sales of sealing device and sealing materials production enterprises. The company is located in the world has the reputation of the first bridge of Hangzhou Bay Bridge bridgehead cixi. Has a plant area of 8000 square meters, the staff more than 300 people. Over the years has been committed to China, even all over the world to provide sealing products and equipment, first-class...