欧美5～12牲交,亚洲欧美高清一区二区三区,欧美性猛交xxxxx按摩欧美,久久久精品久久久久久96,国产乱理伦片在线观看

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

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