国产精品久久久久永久免费看,久久久久亚洲AV片无码下载蜜桃,嫩BBB槡BBBB槡BBBB,摸进她的内裤里疯狂揉她动图视频

News

Current location: Home > News > Company news

News

3ZB-50/7 three-cylinder plunger pump won the third prize of science and technology award

News source: Release time:[2007-01-01]

Our company independently developed and produced 3ZB-50/7 type three-cylinder piston pump won the third prize of China Machinery Industry Science and Technology Award, the project number 0606033-01.