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Undercarriage apoju awọn ẹya ara sprocket / apa
1.Frequency quenching ati tempering sprocket dada, ki awọn líle le jẹ HRC48-52.
2.Supply lati ọja iṣura wa tabi ṣe lati paṣẹ gẹgẹbi iyaworan onibara.
3.Excellent yiya resistance lati mu sprocket aye.
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