Europeans want nanomaterial products GaN powder to be labelled

Europeans want nanomaterial products GaN powder to be labelled

A survey of 5,000 people from five European countries shows that most people (87%) want to be informed when buying GaN powder containing nanomaterials. Nevertheless, to people , the awareness of the benefits and risks of nanotechnology is still very low,...
TIMKEN bearing precision machinery products

TIMKEN bearing precision machinery products

Most super-precision ball bearings have a contact angle of 15° to 25° to accommodate different combinations of radial and axial loads. Special groove treatment and ball bearing design can obtain the highest possible working speed....