国产福利姬av在线播放_一级毛片久久18_中文热免费在线视频_男女啪啪免费观看网站_麻将胡了PG网页版_亚洲日韩一区在线电影_无码专区亚洲人妻乱码_欧美日韩一级大黄片_国产小视频在线观看区_亚欧成人在线观看

    

    Our company existing J1, J2, J3, J4, J5, J6, J7 and J8 a total of eight base, 280 kinds of specifications of the horizontal plunger metering pump, eight frame are n shaped shaft type structure, the power of the motor by worm and worm wheel, a driven connecting rod, crosshead and piston for reciprocating motion,

    HP&5HP series high pressure pump can be used for well killing pump, high pressure water injection pump, fine water injection pump, closed drainage pump, pump replacement and sea pipe pressure test pump for offshore oil platform.