About Oriole Zhengzhou Electronic (Group) Joint-Stock Co.,Ltd (Originally the state-owned 4057 factory), established in 1969, located City-capital of Henan Province, is a large enterprise holding company owned by state, national secondary advanced ...

Longray spray equipment for vector control, disinfection and plant protection,etc. Established over 15 years manufacturing,have world-wide customer more than 138 countries,have been proved reliability in different application. Olny choose best ...