亚洲精品久久久久avwww潮水-全免费a级毛片-内射中出日韩无国产剧情-国产欧美日韩一区二区加勒比-久久精品国产亚洲av无码偷窥

Products

Silicon ingot resin diamond grinding wheel

Silicon ingot resin diamond grinding wheel uses resin bond, high quality diamond abrasive, used for chamfering polycrystalline silicon block grinding surface. Common specifications 260 * 38 * 60 granularity 100-200 #, 250 * 38 * 60 600-1000 # suitable for Japanese BBS and other monocrystalline 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