Successful case

  • Fujian Baolong mixed music bar

    Fujian Baolong m

    ......

  • Guangdong Panyu Tung Chung middle school multifunctional conference room

    Guangdong Panyu

    The school covers an area of 86722 square meters, ......

  • Heilongjiang Heihe Sino Russian friendship

    Heilongjiang Hei

    ......

  • Miss international champion Championship Finals (gold and silver carnival)

    Miss internation

    Jinyintan hotel is located in the coastal tourist ......

  • Engineering case of conference hall and banquet hall of Kokusai Hotel in Binjiang

    Engineering case

    After our strict construction, engineers carefully......

  • Foshan Shunfeng middle school

    Foshan Shunfeng

    Foshan city Shunde District Daliang Shunfeng prima......

  • The third festival of Dragon Boat Festival in Songyuan

    The third festiv

    June 16th is the Dragon Boat Festival, our another......

  • Haman audio and broadcast system has been successfully applied to the multi-function hall of Foshan Biguiyuan

    Haman audio and

    Garden Resort is located in the yard of the Shunde......

  • OBE audio on the Lijiang affair by the bar

    OBE audio on the

    Old Town of Lijiang affair: to Lijiang, a lot of p......

  • OBE Hundreds of CA series linear array speakers sing at Weishan Sports Center in Shandong

    OBE Hundreds of

    The Weishan Sports Center Project in Shandong, Jin......

  • OBE brand CA2712 series linear array speakers to help out, Yueyang County People's big stage, lit grassroots culture, passion, harvest, happy mood

    OBE brand CA2712

    This performance uses our following equipment:Hama......

  • The museum opened in Shanxi xiantangshan shock, OBE line array sound DEDECATES magic sound

    The museum opene

    Xiantangshan scenic area is located in the Taihang......

  • OBE linear sound out of the world's twelve tenors concert, Henan Tour

    OBE linear sound

    The world's twelve male high by 12 renowned so......

  • Guangzhou International Centre for performing arts and classical music concert

    Guangzhou Intern

    Guangzhou International Sports Performing Arts Cen......

  • Introduction to KTV project of Huizhou Shengshi concert

    Introduction to

    Huizhou Shengshi concert exchange is a national ch......

About us

Greatwall Group administrates GUANGZHOU PRECISE SOUND ELECTRONIC MANUFACTORY and GUANGZHOU ZHUNKUAI HARDWARE MANUFACTORY.It designs, manufactures and sells pro-audio products and hardware products. Our products include professional loudspeakers, line array, power amplifiers, mixers, signal processor, amplifier cases, mixer cases, etc.

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Contact us

  • Guangzhou polyacoustic acoustics Trade Co., Ltd.
  • 4408-771-883
  • jusound@greatwallaudio.com
  • Guangzhou City, Panyu District District Shanxi road quasi