1, reverse osmosis membrane manufacturers and origin.
2, whether it is designed according to the actual situation.
3, desalination rate and water throughput to meet your requirements.
Two, look at the appearance of the equipment
The appearance of the deionized water equipment produced by regular manufacturers.
1, first look at the frame, welds are flat, not uneven, the whole gives a sense of heaviness.
2, look at the high pressure pump, raw water booster pump is not a regular manufacturer's products.
3, look at the connection of the pipeline, pipeline connection horizontal and vertical, pipeline material, high-pressure part of the general selection of stainless steel or upvc fittings.
4, deionized water equipment pretreatment part of the tank to choose a strong sense of thickness, some small manufacturers in order to save costs by choosing a thin tank, it is easy to have problems.
Three, whether the after-sales service is in place
1, whether the door to install debugging.
2, can train operators.
3, door-to-door repair efficiency.
4, how long the warranty period.