Head Office:Tianjin Henghaixin International Trading Co.,Ltd located in Tianjin, is one of the biggest petroleum chemicals manufacturers in China . Our products include white mineral oil (light liquid paraffin oil),caustic soda(flakes,pearl,solid,liquid), melamine, salt, acetic acid, sodium bicarbonate,etc.Which have been exported to more than 100 countries in Southeast Asia,the Middle East,South America,Europe,USA and Africa.