On raw material selection,

In general, the better the quality of the refined cotton, the whiter the cellulose, the better the ash and water retention

We work with a limited number of key raw material suppliers. We check every batch of raw

In order to ensure product quality, in the production process, we will test the semi-finished products in four aspects: ash, moisture, water retention and viscosity. All indicators must be tested and qualified before production can continue.

Hebei Double Bulls adopts German-made All-In-One Reactor, which can realize multiple process steps with one device, Realize the automatic control of the whole process DCS system, stable product quality, and safe and reliable production operation.

Each batch of products has been inspected twice by the quality supervision department before leaving the factory. Includes technical data review and application testing. After passing the inspection, it can be packaged and put into storage. Ensure the quality of all products. We keep each batch of samples for 2 years.

It should be stored in a ventilated, cool and dry environment to prevent sunlight and rain.