Haotian, established in 1984, develops itself to one famous rubber technology researcher and manufacturer with 20 years' effort in the fields of electricity, railroad, petroleum, chemical, textile, environmental protection as well as tape water, which enjoys excellent reputation both in China and other foreign countries.
　　 Since 1991，Haotian begins itself to developing butterfly valve seat, which has met demands with stable product performance. Meanwhile, it has established excellent business relationship with foreign businessmen from America, Korea, Australia, and Thailand.
　　 Haotian has employeed Professor Xie Zhonglin from Beijing Rubbe Research Institute for many years and it is supported by domestic famous people in the rubber field, who always depend on their own learned knowledge and abundant practical experience to designa and guide production and development of Haotian. Haotian is equipped with advanced testing method, top production technique and scientific management to ensure quality.
Haotian owns various rubber products and accessories such as acid and alkali resistance, static preventing, high or low temperature, weariness or oil resistance to meet different demands. Furthermore, Haotian can still customize for every customer with advantage as rapid and convenient delivery and reliable aftersale service.
　　 Our butterfly rubber seats include more than ten kinds to be chosen by customers. Meanwhile, customers can offer details such as media and working temperature for us, then we can provide some advice to be negotiated.