yongdun goal:
a. customer satisfaction above 96%.
b. the contract execution rate of 100%
c. product especially qualified rate of 98% or more at a time.
d. the product out of the qualified rate reached 99% in a year.
e. "yd" brand become famous trademark of zhejiang province in 2018.
f. return, return rate has been selling products for less than 0.8%.
yongdun  culture:
study, realistic: knowledge, realistic, verification and improvement;
innovation: iconoclastic, dare to explore, never satisfied;
hard, tenacious struggle, excitation, shi ends;
harmony: harmony in all aid, unite as one, united;
satisfaction, employee engagement, customer satisfaction, happy society.