国产手机在线αⅴ片无码观看_好紧好湿好爽免费视频_成人熟女丝袜在线av在线观看_亚洲翘臀美女_日韩成人av一级片_网黄+喷水_日本公与妇中字电影bd_国产乱婬AV麻豆国产免费一_漂亮妈妈日本1080P

PRODUCTS

Focus on the design concept and technology of the ball valve

      Product Description

  GFB series planetary gear unit is suitable for tire and crawler crane, excavator and rotary drive similar to working condition, which can be driven by hydraulic motor or motor. Equipped with parking brake function to be selected, installation, interface size and speed ratio can be changed according to the use requirements.

Structural features:

1. Modular structure of high-strength planetary gear unit.
2. Compact structure, space saving, two-stage or three-stage planetary gear drive design.
3. Bearing system with high bearing capacity that can bear the pull of wire rope.
4. Integrated multi disc clamping brake.
5. Simple installation and oil change.
6. Low noise operation, high efficiency and long life

中文 Online Message Contact us Mailbox
Copyright ? Zhejiang Tongli Transmission Technology Co., Ltd 2019 . All Rights Reserved
ICP備案編號:浙ICP備14016119號-1