OEMperiod：1980-1982 1980 1980 Hailin Knitting Factory was established (predecessor of Hailin Group)

Initial stage：1983-1989  In 1983, "Hailin" trademark 

was registered in the State Trademark Office; Shanghai famous brand: "Double Bell" and "Silver Bell" knitted underwear

Transfor-mationperiod：1990-1997 From OEM processing for others to independent branding, Nantong Hailin Group Co., Ltd. was established in 1996.

In 1997, the new logo of "HAILIN" came out.
Brand creationperiod：1998-2003 Successfully transformed into a joint-stock limited liability company, during which seven independent legal person companies were established.

Spanning period：2004-2005 Multi-brand expansion: Hailin, Erdos, Dolux, FREEGUN, Hailin Deer, etc.

Established "Shanghai Erdos Underwear Co., Ltd." as a joint venture with Erdos Company, engaged in the production of high-grade cashmere underwear; Acquisition of Jiangsu Sufeng Textile Co., Ltd..

Dilator：2006-2012 Diversification: electric vehicle manufacturing, photovoltaic power generation equipment manufacturing and new energy power generation.

Innovationperiod：2013-2019  Products are transformed into service manufacturing, the industrial chain is extended to develop photovoltaic power generation, photovoltaic power generation is transformed into new energy power generation, and new energy power generation is upgraded to smart energy power generation.

Transi-tionalperiod：2020-Now Innovation,Pattern innovation,Business innovation

Innovation period：2013-2019  Product manufacturing is transformed into service manufacturing, the industrial chain is extended to develop photovoltaic power generation, photovoltaic power generation is transformed into new energy power generation, and new energy power generation is upgraded to smart energy power generation