硬质合金按晶粒大小区分，硬质合金可分为普通硬质合金、细晶粒硬质合金和亚细、超细晶粒硬质合金。按主要化学成分区分，可分为碳化钨基硬质合金和碳化钛基硬质合金；碳化钨基硬质合金包括钨钴类（YG）、钨钴钛类（YT）和添加稀有碳化类（YW）三类。

　　它们各有优缺点，主要成分为碳化钨（WC）、碳化钛（Tic）、碳化铌（NbC）等常用的金属粘接相是Co。碳化钛基硬质合金是以Tic为主要成分的硬质合金，常用的金属粘接相Mo和Ni。

　　上海奋臣精工机械有限公司是由众多经验丰富的的刀具生产工程师与国内丰富的剪切研究专家组成的团队，通过自身的研究与市场反馈信息，不断改良生产工艺与产品品质，赢得了l市场的好评，我司已在造纸、印刷、包装、金属、塑料及回收领域有了一定的影响力，目前已是国内外众多知名分切、分条、裁断、剪切、粉碎、撕碎机械的指定供应商。 

　　Shanghai Fen Chen Precision Machinery Co., Ltd. is composed of many experienced the tool production engineer and domestic rich shear research experts team, through their own research and market feedback information, continuous improvement of production technology and product quality, has won the praise of l market, our has in papermaking, printing, packaging, metal, plastics and recycling have a certain influence, is already one of the domestic and foreign many well-known cutting, slitting, cutting, shearing and grinding, shredder machinery designated suppliers.