With more and more attention to environmental protection and other factors in the development process, no vibration, no noise, no flying rocks and no poisonous gas under the condition of the concrete and rock crushing, cutting the silent expansion agent has the natural advantage of products to replace the traditional blasting, has become the inevitable trend of development. However, the vast numbers of users in the procurement of expansion agents, how to buy authentic products? The simplest way is to ask the seller to produce the product inspection certificate issued by the relevant quality inspection unit. The following is a chemical, Epro expansive agent product certification and product inspection certificate at the provincial level.
Product qualification certificate
Product inspection certificate