Qingdao Qinhai Industrial Technology Co., Ltd. successfully passed the ISO9001 quality management system certification! Quality first, customer first, has always been the unremitting pursuit of Qinhai people!

Qingdao Qinhai Industrial Technology Co., Ltd. successfully passed the ISO9001 quality management system certification! Quality first, customer first, has always been the unremitting pursuit of Qinhai people!
Qingdao Qinhai Industrial Technology Co., Ltd. successfully passed the ISO9001 quality management system certification! Quality first, customer first, has always been the unremitting pursuit of Qinhai people!
Improve the water resistance of dam bag rubberUse more aging resistant materials and formulas, improve processing technology and dam bag mechanism measures. Improve the water resistance of dam bag rubberThe dam bag is immersed in water for a long time and is easily aging due to erosion. This shows that the water medium is a
The so-called aging refers to the comprehensive action and influence of internal and external factors during the processing, storage and use of polymer materials, causing damage to the composition and structure of the polymer material, causing the rubber dam to gradually lose its original excellent performance, and finally Loss of use value, this irreversible change,