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由天津高压泵阀厂承担的“七五”国家科技攻关项目25YSPB型双端面配油轴向柱塞泵于1990年11月5日在天津通过部级鉴定。 25YSPB型双端面配油轴向柱塞泵实现了自冷却、
High-pressure pump valve plant in Tianjin by the “75” national scientific and technological projects 25YSPB double-sided with axial piston pump on November 5, 1990 in Tianjin passed the ministry-level appraisal. 25YSPB dual-port with axial piston pump to achieve self-cooling,