Qinhuangdao Diya Mechanical Technology Development Co., Ltd. sells American FISHER valves. FISHER was founded in 1880 by a British gentleman, Mr. WILLIAM FISHER, in Marshalltown, Iowa, USA, where the company's headquarters remains to this day. Through the entrepreneurial efforts of three generations of the family—WILLIAM, JASPER, and BILL—FISHER has become a world-renowned specialized manufacturer of control valves. Its main products include: Fisher valves, Fisher control valves, Fisher ball valves, Fisher butterfly valves, Fisher straight-through valves, Fisher actuators, Fisher valve controllers. FISHER valves are widely used in chemical, petroleum liquefied gas, natural gas, refining, and industrial automation fields, with reliable quality. FISHER valves are suitable for media such as natural gas, liquefied gas, air, nitrogen, steam, ammonia, and various other gases. With reasonable prices, guaranteed delivery times, and year-round supply, our professional service level will make your work easier and more efficient! Customers are welcome to contact us by phone or letter. Our company is dedicated to serving you.