Weifang yukai chemical co.,ltd. is a stock private company established on 2006,it is a new literature of mr. wang zhixiang ,the president of weifang haihua yuanda finechemical co.,ltd. which got successful management in past eight yearssince estab-lished on 1997. yukai chemical co.,ltd total investment usd10,000,000.00,we devoted ourselvesto the development and research of flame retardant , antiseptic and aromatic chemicals.