2020天堂在线亚洲精品专区,疯狂三P群体交乱视频,伊人情人网 综合,精品欧美无人区乱码毛片

    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