MATO Conveyor Belt Connection System Co. , Ltd. was born in 1906, its focus on conveyor belt connection system for nearly 100 years. Is the world's only machine button products, its belt buckle can bear the belt strength of 2500 Kn, so far, no similar products can be compared with it. At present, the product in Shanxi Coal Mine has obtained a good reputation, and its popularity continues to improve.
FEATURES:
High mounting pressure, high contact pressure between belt buckle and belt surface
Design of grooved protection for fastener
Interference fit of fastener with button plate and hole
High Strength Steel cold rolling forming, reasonable material distribution
High Strength Steel has high wear resistance
The fastener is made of spring steel with high wear resistance and rigidity
| 免费一看一级毛片少妇丰满2 | 国产丨熟女丨国产熟√ | 国产寡妇高潮一级A片 | 日本亚洲欧洲无免费码在线 | 全色黄大色黄大片爽一次 | 性欧美性受xxxx黑人xyx性爽 | 丰满女邻居做爰A片老太婆 特级婬片一级A片粉色视频 | 又大又粗又硬鸡巴插逼视频 | 日本无码一二三区免费视频成人 | 人妻蜜桃久久AV一区 | 在线播放国产不卡免费 | 张天爱精品无码AV一区 | 国产高清在线多人视频 | 国产精品十八禁久久久久久白浆 | 农村少妇一区二区三区蜜桃 | 国产裸体美女永久无遮挡 | 国产又粗又长又黄又粗又硬 | 午夜人妻无码精品视频 | 国产精品污www在线观看 | 囯产精品久久久久久久久久大尺度 | 一区二区三区红桃视频在线播放 | 国产黄污视频免费观看 | 欧美视频一区二区三区 | 你懂的欧日美一二 | 一级 a一级 a 免费观看高潮 | 黄色视频在线免费观看网站 | 91在线无码精品秘 入口 | 欧美激情婬乱A片无码放荡娇妻 | 黑丝大胸美女开腿自慰喷水 | 人人妻人人澡人人爽人人免费 | 成熟少妇婬水A片好爽免费观 | 欧美性色XXⅩXXA片 | 久久夜色精品国产欧美乱 | 狠狠人妻久久久久久综合老师粉嫩 | 富婆一级婬片A片AAA毛片91 | 亚洲精品久久久久久久久久久久久 | 国产精品成人AⅤ在线一二三四 | 午夜精品久久久久久久久欠 | 内射国产内射夫妻免费频道 | 国产人妻偷情中文字幕 |