Main Products: s series of hand pumps, foot pumps, D Series electric pump series petrol pump, all kinds of ultrahigh-pressure chip, one-way valve, diversion valve, quick joints, LL, and CL ultra-high hydraulic tools, the fuel tank .
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Its parts are connected with quick joints and screw threads. When application, they can be assembled completely only within 1 minute or so.
产品各部件采用快速接头和螺纹连接，使用时，装配只需1分钟左右即可连接完备。
The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
The pipe quick coupling port structure has the advantages of high installation efficiency and high sealability in the coupling of such special pipes as straight pipes, bent pipes, T-joints and so on.
在直插管道与弯管、三通等异形管件的相互联接中，具有安装效率高、密封性能好的优点。
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