-The current category for the service request, the company will plant charged cylinder value for treatment, but for the service requester as a company is only charged to households up pump.
- Present the factory for service. The company will charge pump therapy + fee. , but for those households that are receiving service. We will charge only the cost of pumping.
- present for the service type factory The company will charge therapy. The smoke but for who obtain services household The company will charge for the smoke