Changzhou Luckywell Electronic Technology Co., Ltd. (luckywell) is a high-tech company integrating R&D, production and sales services. The company has two divisions, the acoustic division specializing in the production of various SMD buzzers, buzzers, thin speakers, mobile phone speakers, digital microphones, microphones and other electro-acoustic parts; the optical division specializing in the production of SMD light-emitting diodes (SMD LED), plug-in light-emitting diodes (LAMP LED) and other optical components. In 2011, the Optical Division and the Acoustics Division passed the supplier qualification certification of CyberPower, the world's largest power strip and the third largest UPS power supply manufacturer; in July 2014, the second-phase industrial park of the Acoustic Division was completed. There are 10 assembly lines and 7 fully automatic assembly lines. In 2016, it obtained AUX supplier qualification certification; in 2018, a global sales center was established in Jiangsu. In the same year, the active products of the company's acoustics division were selected into the State Grid Smart Meter List. In March 2021, the company acquired a precious metal stamping factory with 18 years of production experience, and established the precious metal stamping division of luckywell CHANGZHOU, which mainly produces nickel alloy substrates and molybdenum sheets for acoustic components. Since its establishment, luckywell has always taken scientific and technological innovation as its own responsibility, continuously increased the research and development, introduction and promotion of the application of acoustic parts and optical parts, and actively promoted the cause of low-carbon energy saving and environmental protection. Luckywell adheres to the business philosophy of "technology first, quality first, service first". We have the industry's most advanced B&K electroacoustic tester, Sunshine 1600 electroacoustic tester, automatic glue dispenser, automatic winding mach