成全视频在线观看免费观看 ,国产一级片一区二区,中文字幕精品久久久久人妻

Today is    
 
 
 
   
 

  A professional speakers system manufacturer, Guangzhou Sonicstar was established in1993, with two founders graduates of the Acoustics Department of Nanjing University, China.
   The garden-like factory covers an area of more than 20,000 sq. m., boasting 18 advanced product lines and a staff of about 500. With self-sufficient Electricity power equipment, production capacity reaches 300 k sets per year, focusing on providing OEM&ODM services to customers worldwide.
   Strict execution of ISO 9001:2000 quality system, together with a professional management team and proficient engineers all guarantee quality stability. Besides ISO9001:2000 certificate, IQC,IPQC,OQC and QE inspections as well as 5S are implemented to further enhance quality control. Moreover, every finished product undergoes pure-tone audiometry and quality testing by electronic acoustic equipments.
   To provide the best acoustic sound for different listening needs is our philosophy, which is made possible by our high designing and developing capability. In the R&D center, special software "speaker System CAD", which is designed by our R&D team, and various professional computer-testing system (LMS,DAAS,CLIO) are applied. With our rich technical resources, good relationships with suppliers and tight connections with research institutions, a system of "quick response" has been constructed to satisfy customers' individual needs promptly. As a result, We are capable to design and develop high quality speakers, home theatre systems, subwoofers, and are well recognized for creativity, reliability and credibility.
  Job trainings are offered to improve working proficiency & efficiency, which help build up a professional managerial team as well as proficient engineers and stable labor forces. As a result, we are able, at reasonable cost, to design and mass-produce individualized products at stable quality to match specific brand image
.


   
   
   
General Enquires: andy@gzsonicstar.com
Hotline: (86)020- 36091005 Fax: (86) 020-36090061
Address: Sonicstar industrial zone, Shima, Junhe, Baiyun District, Guangzhou ,Guangdong,China
粵ICP備 05050429號-1
国产精品99久久99久久久看片,国产免费福利片,免费看一级一级人妻片,欧美午夜一级艳片,国产黄色一级小视频,一级做a毛片在线看,欧美一级二级视频在线,一级做a爰片免费精品,一级a做片在线观看免费 日本免费一区二区三区,一区二区三区内射美女毛片,日本在线一区二区三区欧美,国产约炮一级毛片,一级毛片免费黄片,亚洲一级A一级毛片,久久久久久一级精品片,一级黄色视频手机播放,噢门特级一级黄片在线看 酒色影音先锋在线资源,久久99精品国产麻豆,国产一区二区不卡老阿姨,鸥美一级毛片观看,国产一级片毛片视频,成人午夜精品一级毛片,日本一级特黄视频播放,中文字幕一级A级无码,一级毛片免费视频全过程 日韩在线播放全免费,欧美综合伊人久久,香蕉久久国产AV一区二区,日韩一级高清无码,国产在线一级a免费,高清无码一级黄片视频,日韩女人AA一级毛片,AV无码躁一级毛片黄色,一级毛片在线观看免费的 久久e热在这里只有国产中文精品99,肉色超薄丝袜一区二区,观看一级毛片视频,一级A级免费视频,欧美三级?欧美一级,国产一级毛片特黄全集,亚洲一级黄色高清视频,韩囯一级精品毛片免费,大陆一级毛片免费视频观看 XXX一区二日本视频,第一次处破女hd精品,中文字幕影片免费在线观看,久久特级一级黄片,一级特黄免费毛片,一级黄片在线看免费,免费看毛片一级大黄片,一级毛片视频网站看片,日韩国产一级毛片视频
县级市 崇州市 彭州市 定南县 德阳市 金乡县
堆龙德庆县 叶城县 马龙县 江源县 监利县 宜宾市
彭泽县 临武县 涪陵区 灵山县 金乡县 玉门市