国产在线码观看超清无码视频,另类亚洲综合区图片小说区,无码人妻久久一区二区三区,亚洲精品无码av片

    Flat welding flange
    • Flat welding flange

    Flat welding flange

    Plate type flat welding flange (HG20593, GB/T9119, JB/T81): convenient material selection, simple manufacturing, low cost, and widely used; However, due to poor rigidity, it should not be used in chemical process piping systems with supply and demand, flammability, explosiveness, and high vacuum requirements, as well as in highly hazardous situations. The sealing surface type has flat and raised surfaces.

    宜興市萬華法蘭鍛造有限公司
    Our company's products are widely used in industries such as petroleum, chemical, power, metallurgy, shipbuilding, gas, urban construction, plumbing, military, firefighting, and environmental protection.

    Visit factories online:

    CONTACT