又色又爽又黄的视频免费不卡

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    1. Englishchinese

      National Free Consultation Hotline

      86-577-67319202

      138-6864-3126

      American stop valvecurrent location:homeAmerican stop valve

      Straight through American standard cut-off valve flange connection

      Straight-through valve

      Technical Parameters:

      Design and manufacture: API600, ANSI B16.34, GB/T12235

      Structure length: ANSI B16.10, GB/T12221

      Flange size: ANSI B16.50, GB/6113 JB/T79

      Pressure-temperature: ANSI B16.34, GB/T9131

      Test-test: API598, GB/T13927, JB/T9092

      Size: 2 inches - 24 inches, DN50 - DN600

      Pressure: 150LB----1500LB, PN10---PN400

      Material: carbon steel, chrome molybdenum steel, stainless steel, duplex stainless steel, low temperature steel, etc.


      Address: Jiaoxia Village, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province, China

      Tel:+86-577-67319202 13868643126

      Fax:+86-577-67319203

      Mailbox:pinxinvalve@163.com

      QQ:112863082

      Zip code:325102

      又色又爽又黄的视频免费不卡
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