for our electronic grade industrial materials, please contact: Mr. Jiang
Telephone：020-28200996
Email：ketty.jiang@gzcosmo.com
for our nutrient elements, please contact: Mr. Zhu
Telephone：020-28200995
Email：jinguo.zhu@gzcosmo.com
for our environmental services, please contact
Mr.Yu
Telephone：020-28200993
Email：john.yu@gzcosmo.com
for recruitment, please contact
Ms.Hu
Telephone：020-28200994
Email：recruit@gzcosmo.com
