Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Report A Problem

CANCEL

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

Profile Types

iF SOCIAL IMPACT PRIZE (free of charge)

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Save the discount coupons / Conservation of resources

Save the discount coupons
Save the discount coupons

In the past, one discount coupons can only use once, and the merchants will throw away the old and issues the new coupons. But nowadays, there are six discount circles in one coupon, and each circle stands for one discount coupon. That means, one coupon can be used for six times now, it save the resources a lot.

University

zhengzhou University of light

zhengzhou University of light
ZHENGZHOU, China

DANMING WANG,
ZHENZHOU University of light

Related content