Sungjiang Group has DN40-DN125,304 flange rubber joints for Hangzhou**** Valve Office. The products have good medium resistance. Songjiang Group provides various types of oil-resistant, corrosion-resistant and wear-resistant rubber joints for customers all over the country. The following is an introduction of DN40-DN125, 304 flange rubber joints for common water use.
The 30-year experience of Songjiang Group shows that the rubber joints we produce are absolutely proven by the quality system. As shown above, all the certificates of qualification test in our industry are authentic and effective. We strictly prevent counterfeiting. Our factory has its own raw material test and finished product test to control the quality from the source.