On March 6, 2019, the company set up Jinan Office, and on April 1, the DN 1600 insulation pipe was successfully offline in our company.

On January 9, 2019, the company held a business negotiation with Yantai Wanhua Group and signed a strategic cooperation agreement.

On December 30th, 2018, the trademark of Ludi was recognized as "Shandong famous brand".

In March 2018, 1420 insulation pipe with super large diameter was successfully put into production in China, and the company signed the first DN 1400 insulation pipe project on April 24.

On May 19, 2017, the company and the Institute of new materials of the Provincial Academy of Sciences held the signing ceremony of industry university research cooperation.

In September 2016, the company obtained the second level enterprise of safety production standardization.

On January 4, 2015, the trade union committee of Shandong Maosheng Pipe Industry Co., Ltd. was established.

On January 1, 2014, the company's new plant was opened and put into operation.

On March 18th, 2013, the registered capital increased to RMB 101million, and the new factory of the company was completed on December 14, 2013.

On january28,2011, the company registered the trademark "Ludi", and was awarded the "provincial enterprise of contract abiding and trustworthy" in the same year.

On March 18, 2010, Laiwu Maosheng anti corrosion and thermal insulation engineering Co., Ltd. officially changed its name to Shandong Maosheng Pipe Industry Co., Ltd. its main business transformed from engineering construction to product production and sales.

In 2009, the company moved to Korea Industrial Park and undertook the anticorrosive and heat preservation project of Huaneng Power Plant for the first time.

In 2007, the company officially leased the production site.

On April 27, 2004, Laiwu Maosheng anticorrosion and heat preservation engineering Co., Ltd. was registered and established.

Upstream town Maosheng thermal insulation material factory established