Product Description: Gas production wellhead device is an important ground equipment to control the production of gas Wells, and is a necessary permanent device after drilling every well. The product index covers the main parameters of API 6A, which can meet the requirements of different working conditions of onshore natural gas fields, especially the environment with high pressure and sulfur content. Performance Features: The jackscrew employs brand new design to ensure no contact between threads and drilling fluid, thus is convenient for later maintenance and usage; It employs API standard backing ring to the connection and enables easy installation and reliable sealing; Flat valve has a small switch working torque, enables reliable sealing, and is portable and easy for maintenance; The wellhead fracturing equipment won the third prize of the Award for Scientific and Technological Advancement of Automation Industry of China Petroleum and Chemical Industry.