Since its foundation Changshin has developed new technologies and products by participating in joint projects with academic researchers, and by operating its own reasearch laboratory. Changshin had tried to add imagination and creativity to the conventional R&D development process


 

No.

Patent

Date

110824

Laundry proof antibacterial textile manufacturing method

1997.1.16

118588

Photo-discoloration textile manufacturing method

1997.7.21

121590

Quality improved dyed cotton fiber manufacturing method using reactive dye

1997.8.29

168215

Microcapsulizing sensitized decoloration pigment method

1998.10.1

98-5519

Yellow mud dyeing study on Polyester rasing (napping) products

-