A customer in Shandong sent a defoamer for mineral wool board (hereinafter referred to as the sample). The requirement is that ou...

On April 26th, Miss Wang from Zilibon received a phone call from Mr. Chen from Haizhuo Printing Materials Co., Ltd., saying that...

Nowadays, the urban population is getting more and more concentrated, and the amount of sewage generated is also increasing rapid...

In the modern industrial production operation, it is often inevitable to produce some factors that are unfavorable to production....