国产成人福利在线_日韩黄色三级中文字幕_无码精品ai换脸在线视频_中文字幕亚洲母乳_激情毛片免费全部播放无码_中文字幕日韩精品麻豆系列_国产大屁股喷水视频在线观看_国产夫妻自拍午夜_亚洲最大的毛片基地_日韩国产亚洲欧美不卡观看

You are here:Home  > About us
 
 
 

      Wenzhou Yongyou pipe fittings Co.,Ltd.is a collection of sanitary valves,sanitary pumps,pipe fittings and other fluid accessories design, development and production of multi improvement, continuous innovation of saence and technology, the formation of a unique market competitive advantage For many years. we have maintained close technical cooperation and economic and trade cooperation with foreign counterparts, and constantly developed new products, technologies and talents.

      Permanent friends, always adhere to the 'credibility of the quality. technology and development' business implementation of the monitoring of the quality of products, to strictly comply w:th the requirements ISO. BIN. IDF and 3A industrial standard. ensure products brand Nagatomo with ourcustomers at home and abroad.

      Permanent friends will continue to improve the soft and quality. perfect service, and you work together to create a brilliant tomorrow.





 
 
? Copyright 2017 Wenzhou Yongyou pipe fittings Co.,Ltd