aluminum alloy cylinder tube, pneumatic cylinder, air cylinder tube, aluminum pneumatic barrel

Beiduolu Pneumatic Component Co., Ltd. located in the national 4A level scenic spot Mid-YanDang Mountain.Our company specializes in producing aluminum alloy cylinders with honing polished inside walls. Our products include various type including round,profile,thin,on-off,double holes and three holes as well as producing in accordance with clients designs and drawings. We have three anodic oxidation production lines which provide the colors of appearance with objective oxidation, bronze and sandblast. Our products with hard and smooth inside walls are durable and beautiful, having won praise from lots of clients.The technical specifications of our products are as follows:Internal diameter:16mm~250mmTolerance of internal diameter:H9~H11Surface roughness of internal diameter:Ra???.4Tolorance of deviation from straightness:1mm/mHardness of surface oxidation:100HV~45HVFilm thickness of inside and outside wall:10??~45?????t the biggest but the best??? our goal.We sincerely welcome personalities of various circles to supervise and direct us.

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