・1993 Jun

TCPC seted up the urethane business in the third factory of the Tianjin Petrochemical Corporation(Now the Polyether Division) .The company registered capital was 10.7million yuan（Mitsui Chemicals, Inc./ Tianjin Petrochemical Corporation / Chori Co., Ltd. =45/45/10）

・1997 Sep

Increased the capital of 295,000 yuan

・1998 Jun

The Branch was established in Suzhou。

・2006 Jan

Increased the capital of 895,000 yuan（Mitsui Chemicals, Inc./ Tianjin Petrochemical Corporation / Chori Co., Ltd. =70/25/5）

・2007 Jun

TCPC was transferred to the Hangu Modern Industrial Park Corporation of the Tianjin Economic Technological Development Area.
The newly established factory began producing polyurethane resin.

・2009 Jan

The Hangu factory fully operated.

・2012 May

TCPC party branch was set up.

・2013 Jun

The project of TM factory and hazardous chemicals warehouse passed the acceptance test.

・2014 Feb 8th

The capital of 89.5 million yuan(MitsuiChemicals,Inc./Chori Co.,Ltd.=85.1/14.9)

・2014 Mar 4th

The administrative commission of TEDA approved by the transformaion from a Sino foreign joint ventures enterprise to a foreign joint venture.

・2015 Jul 1st

The Investors of TCPC change to Mitsui Chemicals & SKC Polyurethanes Inc. and Japan Chori Co. Ltd.

・2019 Mar

Increased the capital of 80,000,000 yuan (MCNS/Chori Co.,Ltd. = 92.1/7.9)

・2019 Apr

The Investors of TCPC change to Mitsui Chemicals & SKC Polyurethanse Inc.( MCNS 100%)