Basically regenerated through ISO 9001:2000. ISO 9001:2008 specifies requirements for a quality management system where an organization needs to demonstra...
Distinguishing from the traditional bifocal or trifocal lens types, progressive lenses use blended focal fields for optimum vision correction, to help t...
The new factory in Jinshan Industrial District,invested by Shanghai Canton Optics, is right for completion at the end of December. It takes about 2 years ...