Wear - resistant alloy welding - usually surfacing STELLITE alloy, is the best sealing materials.

堆焊耐磨合金 —— 通常堆焊STELLITE合金, 是目前最佳的密封材料.

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The product consists of wear - resistant alloy centralizer body and pumping rod with simple structure.

本产物结构简略,只有合金 耐磨 扶正体、抽油杆短接两部分构成.

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Hammer is a combination, thus saving a lot of wear - resistant alloy material, reduces production costs.

锤头是组合的, 从而节约了许多 耐磨合金 材料, 降低了生产成本.

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