- Mining companies and rubber industry co "Wear-Resistant Natural Rubber Industrialization Project" developed by Xinhai Company was identified by Science and Technology Department of Shandong China. The performance of Xinhai rubber products reached the international advanced level; Yantai Xinhai Mining Group co-organized China kaolin innovation forum and the Clay Minerals Congress
- In March 2012, 3 production plants completed, production base reaching 20 acres
- In August 2012, Xinhai internal restructuring and reform, carried out the equity incentive and entered the listing process.
- In November 2012, flotation cell (total cross-section, air-lift, micro bubble) is successfully developed. Tested by practice, it can make whole flotation system save electricity about 50%.
- In June 2011, The establishment of the Tailings Comprehensive Utilization Institute
- In September 2011, contracted feldspar ore project became national green mine.
- In October 2011, 22 approved patents including 4 invention patents, the development of flotation cell (total cross-section, air-lift, micro bubble) made significant progress.
- In October 2010, feldspar ore project completed and put into production, Xinhai won the national reward 8,000,000 yuan of "resource saving and comprehensive utilization"
- In March 2009, Yantai Xinhai Test & Control Technology Co. Ltd. was established.
- In August 2009, investment of feldspar, feldspar finishing project started
- In September 2009, Xinhai developed the third generation of tailings dry stacking.
- In May 2008, the mining development funds invested into non metal finishing, and special high-grade feldspar supply.
- In August 2008, Laiyang Xinhai Mining Co. Ltd. was established.
- In May 2007, Xinhai third phase industrial plants completed
- In May 2006, the technology of "Liquid phase nanometer compounding • normal temperature high – frequency curing" was successfully developed.
- In August 2005, Xinhai completed 3 gold mine investments in Gansu and Xinjiang.
- In March 2004, Yi Di gold mine project in Gansu was started.
- In May 2003, Xinhai group ushered a period of rapid development. Passed the ISO9001:2000 international quality certification, and obtained "free enterprise" of industrial and commercial bureau and "trustworthy enterprise" of banking system etc.
- In August 2003, Xinhai contracted for Mongolia Da Di company large gold mine EPC, and achieved success.
- In December 2003, Yantai Xinhai Mining Group Co. Ltd. was established.
- In May 2002, Xinhai Company obtained the titles of "provincial high-tech enterprise" and "trustworthy enterprise" of Shandong province.
- In 2001 June, Xinhai company completed the South Korean glass Fuchang silica sand project.
- In August 2001, Yantai Xinhai Processing Chemicals Co., Ltd. was established, and set up medicament research institute.
- In October 2001, Xinhai obtained the right of import and export
- In February 2000, Xinhai cooperated with South Korea the world third largest auto glass company to complete mine EPC, which become a milepost of China silica sand and quartz sand industry.
- In October 2000, Yantai Xinhai wear – resistant rubber Co. Ltd. was established, and set up rubber design and research institute.
- In May 1999, "China mining news" interviewed development mode of Xinhai for tracking reports.
- In August 1999, President Zhang Yunlong investigated at home and abroad to seek foreign cooperation.
- In July 1998, Xinhai company office building and first phase plants were completed; Xinhai Company moved to new premises.
- In September 1998, in order to commend Xinhai Company, Yantai city government renamed the street Xinhai sit and called Xinhai Street.
- In October 1998, "China mining News" "China nonferrous metal mining news" "China Gold News" respectively interviewed Xinhai company and named the development of Xinhai as "Xinhai Xinhai mode", "Xinhai phenomenon".
- In October 1997, Yantai Xinhai Mining Machinery Co. Ltd. was established. In the same year, purchased 10 acres of land, built 20000 square meters of office buildings and 30000 square meters of large first phase industrial workshop