It is absolutely guaranteed that WinWin Industry Co., Ltdportable PA speaker has passed the QC test before being shipped out of our factory. The QC process is defined by ISO 9000 as "A part of quality management focusing on fulfilling quality requirements". With the purpose of serving customers the best quality products, we have set up a QC team consisting of several professionals. They have mastered the necessary skills for performing the tests on products' reliability and durability and checking if the finished products conform to the environmental protection standard. If any product can't reach the requirement, then it will be recycled and re-delivered in the production cycle and won't be shipped until it meets the requirement.
We have advanced voice enhancer to produce finest products. Winbridge 's voice enhancer series are created based on unremitting efforts. The creation of Winbridge cheap bluetooth speakers strictly meets the requirements of European safety standards including EN standards and norms, REACH, TüV, FSC, and Oeko-Tex. WinBridge speaker has portability covered. The management system of Winbridge has entered the standardization and scientific stage. Powerful WinBridge speaker delivers sparkling sound.
The good quality of bluetooth speaker represents the life pursuit of we. Welcome to visit our factory!