Tianjin henghaixin international trading Co., Ltd.

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.


Factory: Tianjin Kaiwei&Yongli United Chemical Co.,Ltd is the only food grade white mineral oil manufacture with hydrorefining process in the Asia-Pacific Area. It specializes in the manufacture of a wide variety of white oil, food/pharmaceutical/cosmetic/agricultural grade white mineral oil (light liquid paraffin oil),heavy paraffin oil and special white oil according to customer's usage.
Factory: Tianjin Kaiyi Chemical Factory manufactured caustic soda since 1997, includingcaustic soda flakes(96%,98%,99%) ,caustic soda pearls(96%,98%,99%), caustic soda solid(96%,98%,99%),caustic soda liquid(48%),certified by CIQ,SGS and BV.

All good things have a story...Here's ours!

Success does not come easily.
After several contacts and negotiations ,KAIWEI&YONGLI finally got the exclusive patent lience of CLG in the Asia-Pacific Area in 2009, and started to establish the production unit of high quality white oil. With CLG offering full technical support, this unit takes class II base oil as the major raw material, uses precious metal as catalysts, and produces all kinds of food and pharmaceutical-grade white oil through high-pressure multi-stage hydro treating process .

  • 1995

    Foundation of Tianjin KaiYi Chemical Factory, started to produce Caustic soda flakes,caustic soda solid and caustic soda liquid.

  • 1997

    Started to exported caustic soda and established Melamine production line.

  • 2009

    Foundation of Tianjin KaiWei&YongLi United Chemical Co.,Ltd .

  • 2011

    Equipment installation had been completed.

  • 2012

    Started to produce high-quality white oil with different varieties.

Factory Appearance