Ball valve material: has the characteristics of good processing performance, widely used in industry, furniture, petroleum, chemical, electric power and other fields, etc Ball valve performance: ball valve fluid resistance, simple structure, long service life, tight and reliable Easy to install: standard size specifications, can be installed directly, but also can replace the old parts, damaged parts, convenient and time-saving Convenient to buy: you just need to follow the size and material you want to buy can be, Manufacturer: HQDRCY