无码日本精品一区二区三_乱相姦处破女AV毛片_久久综合草_无人视频免费观看免费视频_国产精品人妻免费精品_午夜黄视频_最近最新高清中文字幕_狠狠做五月深爱婷婷_另类 专区 欧美 制服_处 女 开 苞视频国产免费_国产精品你懂得_国产色XX群视频射精_野花韩国高清免费视频_日本中文在线_无码人妻国产精品久久_国产XXX69麻豆国语对白_欧美激情A片久久久久久_午夜时刻免费观看_99精品国产在热久久_一区二区三区国产

品牌背景 Brand background

         Zhejiang Zhongjin Valve Co.,Ltd. located in the nationally known" China Valve Hometown"-Oubei,Wenzhou city, is specialized in producing all kinds of components of ball valve,on Oil, Gas, Power and Nuclear applications.
         Our company have various of professional production equipments,Strong technical force,Advanced inspection facility. Our main products are ball,body,closure,seat ring and stem,with the size from 1” to 48”,Pressures from 150LB to 2500LB,Material A105,LF2,F6A,410,4130,4140,F304,F316,17-4PH,F44,F51,F53F55,F60,Inconel, Monel etc,with plated and/or coated or cladding.