国产精品久久熟女另类卡通小说|美丽的姑娘高清视频免费中国观看|国产精品日韩欧美一区二区三区|国产清纯在线一区二区WWW

Products

valve lock clamping groove grinding wheel

03氣門鎖夾槽專用砂輪 2.jpg

Valve lock clamping groove grinding wheel has high sharpness, strong abrasion resistance and high hardness.And the characteristics of large grinding ratio.

The grinding process of engine valve includes grinding of external cylindrical surface, grinding of valve seat, chamfering grinding, circular arc and so on.



Bold Group

Forturetools

Yucheng Diamond

BYD Abrasives

YuCheng

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