In 1988, the company was established as one of the enterprises of Qingdao Sihai Electric Power Industry General Co., which belong to Shandong Huangdao Power Plant,with a registered capital of 12 million RMB and a floor area of 10,000 square meters.
In 1994, the company's wear-resistant steel castings, wear-resistant liner plate won the Science & Technology Progress Award of Shandong Province Electric Power Industry Bureau.

In 1995, the company's wear-resistant liner plate won the Superior Product in the third International Casting & Forging Exhibitions organized by China Foundry Association.

In 1996, the company became the production equipment and spare parts supply network member of Shandong Power Grid.

In 1997, the wear-resistant steel castings, heat-resistant steel castings, coal mill liner plate, coal mill grinding balls set the industry performance standards for enterprises in Shandong Province.

In 1998, the company established a contact with Japanese customers, started toward the course of development in the Asian market.

In 1998, the company obtained the ISO9001 Quality System Certification and ISO18001 Occupational Health and Safety Certification; in the same year the products are exported to Australia.

In 1999, the company established a contact with customers in Canada, further into the international market .

In 2000, the company became Consumer Satisfaction Enterprise in Qingdao, with a production of 2000 tons.

In 2003, the company became “Contract-credit” enterprise in Qingdao, and advanced enterprise of Hi-Tech casting center. In addition, the company has actively explored the international market and increased the number of customers of Canada, Japan and other countries.

In 2004,Qingdao Sihai Electric Power Industry General Co., strypped-down to Qingdao Huaou Group Co., Ltd. the company's become as one of the leading enterprises of Qingdao Huaou Group Co., Ltd.

In 2005, the company became the outstanding member of China Foundry Association,, consistently won the honorary title of Consumer Satisfaction Enterprise, and started to became advanced enterprise in the Group with a production reached 3900 tons doubling that in 2000.

In 2006, the company obtained letter of appreciation from Taiwan Casting Industry Association.

In 2011, the company's products are exported to Europe and Africa. The Party branch obtained Advanced Grassroots Party Organizations and the Group Advanced Organization Award.

In 2012, the company obtained the Safety Quiz Excellence Award. With excellent product quality, good pre-sales and after sales service, Qingdao Huaou Group Sihai Casting Co., Ltd will together with you create a better future.

In 2013, the company deepened its cooperation with two customers in Asia and won the honorary title of Group Advanced.
In 2014, the company deepened its cooperation with North American customers and formed a strategic product partnership.
In 2015, we contacted well-known companies in Asia to re-establish business relations and meet the standards through the standardization of production safety level 2.
In 2016, the company added new melting equipment, expanded production capacity, can produce 7T mechanical parts per unit, further expand product influence.
In 2017, the company initially built a double prevention system for safety production. On December 6, it became a local state-owned enterprise of Qingdao Kaidu Group with the strategic reorganization of China-Europe Group and Qingdao Development Zone Investment and Construction Group.
In 2018, the double prevention system of production safety was fully operated and passed the acceptance test. In August, it was awarded the honorary title of "Excellent Member Enterprise of Lost Foundry" by China Foundry Association.
In 2019, it won the honorary title of "Comprehensive Advanced Collective in 2018" of China-Europe Group, and opened a new situation of trade and network sales in an all-round way.