The anrasive tools for LED industry include grinding wheels and diamond drill bits,grinding wheels are mainly used for back thinning of sapphire epitaxial wafer,silicon wafer,gallium arsenide and GaN wafer.Material of the wokpieces are Synthetic sapphire,single crystal silicon,gallium arsenide and GaN materials.Diamond drill bits are mainly used for sapphire and single crystal silicon processing.[fusion_builder_container hundred_percent=”yes” overflow=”visible”][fusion_builder_row][fusion_builder_column type=”1_1″ background_position=”left top” background_color=”” border_size=”” border_color=”” border_style=”solid” spacing=”yes” background_image=”” background_repeat=”no-repeat” padding=”” margin_top=”0px” margin_bottom=”0px” class=”” id=”” animation_type=”” animation_speed=”0.3″ animation_direction=”left” hide_on_mobile=”no” center_content=”no” min_height=”none”][fusion_portfolio content_length=”default” layout=”grid-with-text” portfolio_title_display=”” portfolio_text_alignment=”” portfolio_layout_padding=”” excerpt_length=”” cat_slug=”led-industry” filters=”no” boxed_text=”default” picture_size=”default” columns=”3″ column_spacing=”12″ number_posts=”12″ strip_html=”default” pagination_type=”default” one_column_text_position=”below” /][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]