As is known to all, aluminum alloy equipment accessories are generally sets according to the system, according to the function of the system is stretching and contraction of the control equipment accessories, stretching smoothly or not, and according to the system have a great relationship. Aluminum alloy luggage fittings according to the system with spring, spring elasticity coefficient, the higher the pressure, the more difficult, scale is more difficult, according to the system sensitivity will be low; And the lower the elastic coefficient of spring, is just the opposite, but the elasticity coefficient is too low, can lead to significantly shorten service life. Equipment accessories T848 - this model 4 aluminum alloy equipment accessories after many test, find the right according to the requirements of system, high sensitivity, and by tens of thousands of times of pressure test, according to the system are still able to normal use. Aluminum alloy equipment accessories to winning, use for a long time. Equipment accessories main products: bags luggage accessories, speaker bag accessories, kit bags accessories, cosmetic box luggage accessories, folded trolleys, castor, support processing custom wholesale service, luggage accessories is 12 years source factory, price concessions, quality is guaranteed! If you need to learn more about equipment accessories information with product knowledge, welcome to login luggage accessories website consultation understand! — — 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