HIGH-END INTELLIGENT PETROLEUM EQUIPMENT MANUFACTURER
The center speaker must be placed a little behind the front left / right speaker. It should also be placed above or below the TV set and at the same distance as the front left and front right speakers. The height of the tweeter unit of the first three loudspeakers should be the same, and the distance between the front left and front right loudspeakers and the walls on both sides and the back wall should be the same. The surround speaker can be placed behind or on both sides of the listening position, slightly higher than the height of the human ear (of course, the height of the ear after you sit down).
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An Iron Roughneck is a piece of equipment used in the drilling industry to make connections between drill pipes. It's essentially a hydraulic-powered wrench that can provide enough torque to tighten or loosen threaded connections between sections of drill pipe quickly.
"Craftsmanship and Ingenuity, Shaping the Splendor of the Times | Tribute to Every Hardworking Worker by JJC"
On March 31st, Siemens DI FA CEO Rainer Brehm, Director of Strategic Product Management Nicholas Michael Hansen, North Region Beijing Sales Director Wang Tao, and other leaders and experts visited our company for a visit and exchange. Our Chairman Li Xuejun, CEO Jiang Yuanlin, CFO Li Feilong, and Ex
On the afternoon of March 30th, Xie Chang, the Human Resources and Corporate Culture Manager of JJC Petroleum Equipment Co., Ltd., along with volunteers including Mr. Wang and Ms. Li from the Ronghua Street Disabled Persons' Federation, visited and comforted several families of disab
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