Weifang kaihong chemical limited is a stock private company estabished on 2006. which has two factories :weifang yukai chemical co., ltd & weifang haihua yuanda fine chemical co., ltd . total investment more than usd 10,000,000.00 .we devoted ourselves to the development and research of flame retardant ,antiseptic and aromatic chemicals , our products as follows : flame retardant agent : hbcd, dbdpa,dbnpe; water treatment series: bronopol,dbnpa,dbne,sodium bromide ,ammonium bromide. pharmaceutical intermediates series : 2-cyanoacetamide;phosphorus tribromide, acetyl bromide,propionyl bromide . carbohydrazide . food additives : sodium bromate,potassium bromate. oil drilling additives: calcium bromide ,zinc bromide with self-support &export poewer , our compamy has been approved by the occipational health and safety management system :gb/t28001-2001;the environmental management systerm :gb/t24001-2004/iso14001:2004;the quality management systerm:gb/t19001-2008/iso9001:2008 . reseroir-specific expertise and outstanding service quality , no matter how challenging their technology or service issues maybe ,our customers know that we will find a way to fulfill on our promise , timely produce-fine quality-prompt delivery.