concrete pump pipe fittings 1.hot ,new 2.forging,forged 3.4-6inch, ... ,150,175 4.service life is long 2-3 times concrete pump pipe fittings TypeSnap clamp, bolt clamp, screw clamp, wedge clampSurfacePainting ... or GalvanizingTechnicalForging, high-temperature 1200 forging and intoApplicationConnection of Concrete pump and ...