mpa certificates have been updated on jun.11th 2018 including 30 items for metal, stainless steel and stone. all tested discs have fulfilled the “safety requirements for bonded abrasive products”. the main test projects include safety speed test, rupture speed test, side load capacit...

we have awarded iso9001 certificate since 2007 and updated in 2016.it helps to improve enterprise performance, operational efficiency and sales growth. moreover, our company keeps improving the quality of products and services to reduce waste and customer complaints. ensure the custom...