情侣激情18内射骚话国产,国产∨亚洲V天堂无码久久久,亚洲国产精品国语在线,久久午夜福利无码1000合集,国产精品18久久久久久麻辣,丰满多水的寡妇,国产MV在线天堂MV免费观看,国产熟女高潮视频,熟妇熟女乱妇乱女网站,欧美多人片高潮野外做片黑人

Products

worm grinding wheel


02蝸桿磨砂輪.jpg

The worm grinding wheel is mainly used for grinding the worm gear and worm gear surface of the reducer.

The product has good stability, high grinding accuracy and small cumulative pitch error.

It can maintain continuous involute and helical gear geometry.

It has good transmission stability and low transmission noise.

So it is widely used for grinding of small and medium size gear.

Especially the grinding of mass gear.



Bold Group

Forturetools

BYD Abrasives

Malaysia
ADD: No.10 Dongqing Street,
High&New tech Development Zone.
Zhengzhou, Henan, China.
Postal code: 450001 E-mail:liu@bold68.com
Phone: 0371-67662016 86162612
?Copyright 2004 Zhengzhou Bold Abrasives Co., Ltd. All Rights Reserved.
Leave Message
Name
Telephone
E-mail/QQ
Message