Qingdao Zhengtian Machinery Co.,ltd.
Qingdao Zhengtian Industrial Technology Co.,ltd.
Add: Wangtai Subdistrict, Huangdao District, Qingdao
Phone: 13953230509
Tel: 0532-83136686 83132188 83132777
Email: qdzhengtian@126.com / zhengtianchina@hotmail.com
web: https://www.zhengtianchina.com/