国产亚洲日韩网曝欧美台湾,偷柏自拍亚洲综合在线,动漫人妻无码精品专区综合网,中文字幕日韩一区二区不卡

Products

Monocrystalline silicon polysilicon machine grinding wheel

Single crystal silicon polycrystalline silicon integrated machine grinding wheel uses resin bond, high quality diamond abrasive, used for chamfering polycrystalline silicon block grinding surface. Common specifications 230 * 40 * 160 100 - 200 #, 250 * 40 * 160 600 - 1000 # for Zhejiang Jingsheng and other single crystal silicon polysilicon integrated machine.


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
窝窝午夜看片| 亚洲的天堂AV无码| 99久热RE在线精品99RE8热视频| XXX性XXX国语对白| 秋霞在线观看片无码免费不卡| 美女把尿口扒开让男人桶爽|