Used in various fields equipment accessories become all kinds of instruments and equipment equipment accessories. Different instruments and equipment can customize a luggage accessories, because different methods of the use of instruments and equipment equipment accessories is also each are not identical. Because design different function also have differences, speaker equipment accessories is the need to reduce the resonance effect on speaker or sound quality. Equipment accessories if not stable, so its structure also will be change, as a result, under the influence of resonance will shake, also will reduce the service life of equipment accessories, so different instruments equipment accessories will have their own specific role and function. Equipment accessories, luggage accessories co. , LTD. , founded in 2007. With 12 years equipment accessories, baggage car research and development, production and manufacturing experience, custom load trolleys, can come to figure to sample customization, welcome to visit our luggage accessories and field trips! Or enter luggage accessories website for consultation for more information! — — Equipment accessories, luggage accessories co. , LTD. 12 years experience in equipment accessories research and development manufacturing custom hotline: 0769 - 83980113 13829269591 website: WWW. tianyu76。 Com email: gdqiangyi @ 163. Com address: luggage accessories, catalpa village bridge city changping town bridge industrial zone in bl1 building