中压单级叶片油泵 YB-A6B YB-A9B YB-A14B YB-A16B YB-A26B YB-A36B YB-B48B YB-B60B YB-B74B
YB-B92B YB-B113B YB-C129B YB-C148B YB-C171B YB-C194B
中压单级叶片油泵 YB-A6B-DU-JL-50
YB-A9B-DU-JL-50 YB-A14B-DU-JL-50
YB-A16B-DU-JL-50 YB-A26B-DU-JL-50
YB-A36B-DU-JL-50 YB-B48B-DU-JL-50
YB-B60B-DU-JL-50 YB-B74B-DU-JL-50
YB-B92B-DU-JL-50 YB-B113B-DU-JL-50
YB-C129B-DU-JL-50 YB-C148B-DU-JL-50
YB-C171B-DU-JL-50 YB-C194B-DU-JL-50
中压单级叶片油泵 YB-A6B-DU-FL-50 YB-A9B-DU-FL-50
YB-A14B-DU-FL-50 YB-A16B-DU-FL-50
YB-A26B-DU-FL-50 YB-A36B-DU-FL-50
第六步：书面签约以后， YB-B48B-DU-FL-50 YB-B60B-DU-FL-50 YB-B74B-DU-FL-50
YB-B92B-DU-FL-50 YB-B113B-DU-FL-50
YB-C129B-DU-FL-50 YB-C148B-DU-FL-50
YB-C171B-DU-FL-50 YB-C194B-DU-FL-50

中压单级叶片油泵 YB-A6B-JL

YB-A9B-JL YB-A14B-JL

YB-A16B-JL YB-A26B-JL 中压单级叶片油泵 YB-A6B-JL

YB-A9B-JL YB-A14B-JL

YB-A16B-JL YB-A26B-JL

YB-A36B-JL YB-B48B-JL

YB-B60B-JL YB-B74B-JL

YB-B92B-JL YB-B113B-JL

YB-C129B-JL YB-C148B-JL

YB-C171B-JL YB-C194B-JL

中压单级叶片油泵 YB-A6B-FL YB-A9B-FL

YB-A14B-FL YB-A16B-FL

（3）文采精妙， YB-A26B-FL YB-A36B-FL

YB-B48B-FL YB-B60B-FL

YB-B74B-FL

YB-B92B-FL YB-B113B-FL

YB-C129B-FL YB-C148B-FL

YB-C171B-FL YB-C194B-FL