How to choose the suitable additives?

1. Have a field trip and prevent counterfeiting. We also need to know the requirement and if it is satisfaction for the concrete.

2. According to the technical requirements, we have the quality indicators, models and technical parameters, and we need to have the sample from tests.

3. The ratio of the additive and the comparison test, after which you can use for bulk products comply with GB J50119;

4. During the whole process of using, we can only use it after we have the comparison with the last products.