六十路の高齢熟女が_影音先锋免费AV资源在线资源_久久无码精品一区二区三区_乱人伦精品视频在线观看

HOME >PRODUCTS >Sliding doors & window pulley >16 long strip (M51086)

提升推拉門150KG(502.013)

Long strip
1. The pulley adopts high precision axle steel bearing and the plastic wrap adopts imported plastics to ensure the high strength and high wear resistance of the pulley in operation. The pulley runs smoothly and can bear 250kg load. The life test can reach 100,000 times.
2. hardware uses stainless steel 304, rust proof performance is outstanding.
3. increase the brush structure innovatively, clean the track and reduce the abnormal sound.
4. the pulley assembly adopts the riveting machine riveting technology, the pulley structure is compact and the intensity is high.
5. We test repeatedly and adopt reasonable structure design to make the installation and adjustment of products more convenient and efficient.


我們的產(chǎn)品壽命測試                                                                              我們的產(chǎn)品車間
TOP

Copyright © 2018 NingBo RIECHE Machinery co.,ltd  浙ICP備15045853號

插bbbbbbbbbbbb| 精品久久9999久久久 | 7777色情网黄A片免费看蜜臀 | 91无码人妻精品蜜桃 | 成年免费A级毛片免费看无码 | 天天综合网日日夜夜 | 91.com国产-nc18嫩草 | 在线一区二区视频 | www.xxxx91.com| 九七精品熟女少妇一区二区三区 | 成人网站在线观看免费无码流出的 | 亚洲中文字幕二区 | 亚洲一区欧美在线观看 | 日韩精品无码一区AAA片 | 毛片黄片资源无限看 | 国产成人无码精品色欲天香 | 三级片手机在线中文日本 | 肥婆A片无套内谢WWW | 一级丰满老熟女毛片免费播放视频 | 精品国产乱码久久久久久1区2区-亚洲 | 国产一区二区三区视频免费在线播放 | 91午夜精品久久香蕉 | 亚洲国产精品国自产拍AV绿帽子 | 巨乳黑丝袜少妇在线观看 | 古代荡乳尤物H妓女调教 | 91清纯在线观看 | 黄色视频在线观看www | 国产又粗又硬又大视频 | 亚洲精品高清国产一久久 | www.激情夜色 | 喷奶AV一区二区 | 国产亚洲精品综合久久久久 | 中文字幕一级毛片 | 少妇一级淫片免费放 | 久久无码av高潮av喷吹捆绑 | 国产69精品久久久久观看黑料 | 国产91成人无码精品久久久露脸 | 精品国产无码一区二区三区 | 亚洲成人无码三级 | 91av免费观看 | 久久亚洲AV无码 |