| Standard number | Standard type | Standard name | Release date | Date of implementation |
Precision molding preforms
View details
Heat-pressed Blanks
Heat-pressed blanks are the blanks pressed by direct drop melting.
View details
Cut products
View details
Optical rod materials
View details
Aspherical lens
Aspheric lenses are optical elements with complex curved surfaces
View details
Reheat-pressed blanks
Reheat-pressed blanks are the blanks of various shapes(plano, convex,concave,rods,balls) produced by...
View details
Administrative Hotline：0710-334-9999
Marketing Hotline：139-8637-2009
Official public account