U Feng Biotechnology Ltd

U-Feng Biotechnology Co., Ltd is a professional concrete, asphalt, sand brick and any other related business admixture manufacturer. In the past years we have kept investing time and money in R&D field and finally successfully make our own unique NEP series enzymes. To all of the concrete related fields such as ready mix concrete, asphalt concrete or even their own related products say any kinds of the cement precast products, our NEP series products are aimed at back to the essence of the concrete. That is the theory focus on the C-S-H . One of the questions we aim to raise our concern that whether lower the cement content will definitely lower the compressive strength And do high strength concrete will doom to have higher shrinkage and cracking in structural concrete