Treating wastes according to right process, supervising environment pollution
	-  Treating wastes by always following requirements and regulations on the environment of the state of Vietnam carefully.
	-  The systems are safely operated in accordance with the process to avoid the possible problems and influences on the effectiveness of treatment.
	-  The staff operating the system must be trained carefully about the labor safety and profession.
	-  All staff must be equipped with labor protection means.
	