Chemical industry occupies the important position in the national economy of every country, which is the base and pillar industry. As chemical industry has lots of categories, complex technology, variety products, discharge of pollutants is rather complex with many big quantity, high toxicity. therefore, the chemical industry is the major pollution. At the same time, chemical products may bring a lot of toxic substances that effected the ecological environment, and endanger human health when they are in storage, processing, use and waste treatment . So safety equipment and parts play an important role in chemical industry system.We commit to provide safety valves and valves parts for chemical industry and wins good reputation in this chemical field.