26uuu亚洲日韩在线二区_综合色一色综合久久网_热の国产色胡同_欧美XXXXX高潮喷水 -亚洲综合色自拍一区_亚洲精品亚洲人成在线观看_成年aV网站18不禁_国产精选第1页99

Application

Location:Home >Application

28 years of professional customized gear transmission manufacturers, high-speed teeth, bevel gears for 10 consecutive years into the domestic gear industry top three, has been awarded 45 national invention and utility model patents

Application

Double-sided helical gears with high precision for the ship lift

2023-03-15 Source:Original Views:2364

share to：

　　The company's self-developed double-sided helical gear with high precision has replaced imported products and been successfully applied in the Three Gorges Dam water conservancy project.