2021

·  The Korean head office was renamed SUN&L CO., LTD. In the same year, Kunshan Xianti Plastic Products Co., Ltd. was renamed "Kunshan Senan Er Plastic Products Co., Ltd."

2018

·  Kunshan Xiansi was rated as an excellent supplier by Amore and passed the audit of sustainable operation

2017

·  Kunshan Xiansi passed the GPC US COC audit

2016

 ·  Duolin US office established

2015

·  Korea Duolin merged into Sunchang Corporation of Korea

2014

· Korea Duolin receives ISO15378 certification

2013

· Korea Duolin moved to Masan

2011

· Kunshan Xiansi and Shanghai SCJ (SCJ) establish supply and demand partnership

· Korea Duolin established a joint venture company CK Dispenser in Thailand, and in the same year established Darin Co., Ltd. BOEUN factory

2009

· Korea Duolin receives FSC-COC certification(FSC-C015558)

2007

· Kunshan Xiansi and Pakistan PERIDOT company established supply and demand cooperation

2005

· May, Taicang Duolin Company moved to Kunshan and changed its name to "Kunshan Xiansi Plastic Products Co., Ltd."

2002

· February, China Taicang Duolin Company obtained ISO 9002 certification

2001

· December, Shanxiu Company officially transitioned to Duolin Co., Ltd.

1998

· December, Korea Duolin obtains ISO 9001 certification

1997

· July, Duolin company won the "Quality Export Product" award from the Korea International Trade Association

1993

· September, Chinese factory Taicang Duolin Plastic Products Co., Ltd. was establish ed

1991

· March, Established "Sanxiu" and became the earliest and largest manufacture  r and supplier of hand pumps and sprays in Korea at that time