Komatsu PC270-7 Arm Cyl Ket, Bucket Cyl Ket, Boom Cyl Ket

Shanghai Zefeng Idustrial Co., LTD locates in the largest financial centre. Our company has been making the superrior polyurethane sealing products for almost 10 years. We also have our own factory, then can satify different needs. Our global sales covers all over the world. The seal is applied to hydraulic fluid machinery, heavy-d

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