Xiamen Renhe Diesel Engine Fittings Co., Ltd. is a manufacturer, research and development, sales of cylinder heads, bushings, bushings, cylinder liners, connecting rods, pistons, piston rings, valve seats, gas valves, plungers, nozzles and other marine and locomotives. Engine accessories as one of the professional company.
The ball lock is characterized by durability, easy installation, easy to use and affordable, so if the ball lock is old, how to remove and crush it to replace it?
An electret microphone, also known as an electret microphone, is a special capacitive "acoustic-electric" conversion device made of an electret material. It is a sensing element that converts sound into a corresponding electrical signal. It is charac