Jinding Industry Analysis: The basic principle of active muffler is stainless steel automobile exhaust pipe in the original sound field, the use of electronic equipment and then generate an original sound pressure equal and opposite phase sound waves to within a certain range of the original sound field offset. This muffler is a set of instrumentation equipment, mainly by the microphones, amplifiers, phase shift, power amplifiers and speakers and other components. Shandong Jinding Stainless Steel Pipe Co., Ltd. mainly produces stainless steel "car exhaust system with pipes, pressure vessels tubes, boiler heat exchanger tubes, condenser heat exchanger tube" stainless steel coil, stainless steel U-tube, stainless steel threaded pipe, Stainless Steel Corrugated Tube, pipe and other types of industrial stainless steel tube. Shandong Jinding Stainless Steel Pipe Co., Ltd. mainly produces stainless steel "car exhaust system with pipes, pressure vessels tubes, boiler heat exchanger tubes, condenser heat exchanger tube" stainless steel coil, stainless steel U-tube, stainless steel threaded pipe, Stainless Steel Corrugated Tube, pipe and other types of industrial stainless steel tube. Stainless steel pipe factory in Shandong Analysis: vehicle noise, mainly from automobile exhaust noise. Otherwise a muffler, at a certain speed, noise greater than 100 dB. Followed by engine noise and tire noise automobile exhaust pipe muffler, engine noise during normal operation of the car, up to 90 dB or more, but tire noise at speed of 90 km / h or more, up to about 95 db. Therefore, with Fuzhou car muffler exhaust pipe in the exhaust system, can reduce automobile exhaust noise 20-30 decibels. In the engine, gasoline engine instead of a diesel engine, can reduce engine noise 6-8 decibels. Chongqing Automobile exhaust pipes, MUPING car exhaust pipe, stainless steel pipe factory in Shandong by Shandong Jinding Stainless Steel Pipe Co., Ltd. Shandong Jinding Stainless Steel Pipe Co., Ltd. (www.ss304L.com) (www.ss304L.com) strong, credible, in Dezhou steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinding Pipe into the brilliant and you work for a better future! You can also access (www.ss304L.com/supply_details_44359700.html), for more information about the company.