Precise tolerance of concentricity for ceramic plunger, not only increase the abrasion-resistance of plunger but also increase seals life.

精密陶瓷柱塞同心度的宽容，试压泵不仅增加了柱塞磨损性，空调泵而且提高密封寿命。

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Ceramic liner and plunger, in particular, have been used widely in many domestic oil fields and exported to international markets, such as North American market, Middle East market.

陶瓷部件产品，尤其是缸套和柱塞已经在国内多个油田使用，产品远销北美、中东等国家和地区。

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