Pioneer Flying Tech Co., Ltd. (abbr. Pioneer Co.) is the leading manufacturer of the gravure materials, machines and other related products in the processing of Gravure Cylinder.We have never stopped our learning and researching after the First piece of Made-In-China synthetic grinding stone born in our company. Combined with East and West latest technology, we have developed steel grinding stone, copper grinding stone, glass grinding stone, stainless steel grinding stone and other multifunction grinding stone. Grit from 80# to 6000#, more than 50 products. They can meet different needs to the surface finishing.