一级二级成人高潮免费视频,亚欧洲精品在线视频免费观看,一级做一级a做片性视频a

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
一区二区日韩国产精品,日韩电影免费在线观看网址,国产黄片一级视频,一级成人免费毛片,欧美一级免费特级片,国产一级特黄大片在看,亚洲一级视频无码不卡,黄色一级毛片一个人免费,国产高清一级毛片在线不卡 亚洲精品视频免费在线观看,国产精品喷浆丁香美女社区,揄拍成人国产精品视频,国内一级无码视频,一级毛片特级黄片,亚洲最新一级毛片网,卡哇伊久久院一级黄片,一级裸体牲交视频观看,欧美一级AAA视频免费 亚洲av第一成肉网,久久夜色精品国产www女同,99精品欧美一区二区综,台弯一级毛片视频,黄片一级片在线观看,国产黄片av在线一级,日韩一级免费在线观看,成人免费看一级黄色视频,一级片毛片毛片毛片免费 人妻少妇精品视频专区,国产免费人成视频在线观看,国产无码一级在线,一级黄片大全免费,全亚洲一级免费黄片,国产中字字幕一级毛片,一级A成人久久免费看,久久久一级毛片免费观看,国产免费看一级二级三级片 日韩精品一区二区三区观看,精品AV综合一区二区三区,国产激情久久久久影院小草,欧美高清一级影院,成人一级免费大黄片,一级特黄性大片免费,欧美一级a片久久精品,一级一级毛片黄色视频,一级a视频在线观看免费 日韩在线视频观看免费网站,欧美日韩综合高清一区二区,精品久久久久国产免费,亚洲日韩一级电影,免费看一级毛片AV,国产一级AV片免费看,午夜一级大片在线观看,国产一级A视频一区二区,中国一级黄片22免费看
泾源县 岑巩县 介休市 张家界市 灵武市 尖扎县
蒙山县 墨玉县 汽车 琼海市 鄂伦春自治旗 陆川县
商丘市 马尔康县 南雄市 金塔县 延寿县 田阳县