- 》Annual work plan of 2017 meeting [2017-02-28]
- 》Hoyo Group celebrate 15th Anniversary Party [2017-01-22]
- 》Tertiary Water Treatment Contract Signing Ceremony [2016-08-18]
- 》Singing the Entrust Enrollment Service Agreement [2016-06-15]
- 》The Hoyo group visit Shouyang County in Shanxi pro [2015-11-09]
- 》The Hoyo group visit Qi County in Shanxi provice [2015-11-06]
