QPQ technology is a surface treatment technology which consists essentially of liquid nitriding and liquid oxidizing.
Q PQ技术是一种主要包括盐浴渗氮和盐浴氧化的表面处理技术。
In order to increase the wear resistance of the cylinder liners, the cylinder liners were treated by using QPQ salt - bath process.
为了提高硼铸铁缸套的耐磨性和寿命，对硼铸铁缸套进行Q PQ盐浴复合表面处理。
You can provide all kinds of steel, heat treatment of beryllium copper alloy, cold treatment (-80), QPQ (black, tin, stainless steel, alloy steel and hard black).
可为你提供各种钢材，合金铍铜的热处理，冷处理（-80度），发黑，氮化，QPQ（不锈钢、合金钢加硬发黑）。
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