Founded in January 1970, after more than 40 years of construction and development, laigang has become a large steel enterprise group with an annual production capacity of over 18 million tons of steel. March 2008 shandong iron and steel integration and reorganization, under the shandong iron and steel group co., LTD. Laigang has total assets of 87 billion yuan and 39,000 employees, including 26,000 in the main steel industry. Steel products are mainly steel, strip, special steel, bar four series. Among them, hot-rolled h-section steel won the title of "Chinese product", gear steel and bearing steel won the "national metallurgical product quality gold cup award", and rebar won the title of "national inspection-free product". Related industries have formed more than a dozen industries, such as iron ore mining, engineering design and project general contracting, financial securities, machinery manufacturing, steel structure processing, construction and installation, real estate development, powder metallurgy and products, cement and micro powder clinker, metallurgical auxiliary materials, transportation logistics and chemical products. Lai steel metallurgy industry in China is the first through the ISO9001 quality system, ISO14001 environmental management system and OHSAS18001 occupational safety and health management system certification enterprises, the state has successively been awarded the national customer satisfaction enterprise, national quality management advanced enterprise, national re-employment of advanced enterprise, national skills talents cultivating outstanding contribution award, national AAA grade credit enterprise, national model to create a harmonious labor relation enterprise and other honorary titles. In 2005, it was identified as one of the first batch of national pilot units for circular economy, and won the national quality award in 2008. In 2009, it was awarded the "national top 10 enterprises for comprehensive utilization of resources", "China's top 10 innovative units for corporate culture construction", and in 2011, it was awarded the "national top 10 units for after-sales service industry".

Since the "tenth five-year plan", laigang has grasped the important opportunity of China's rapid economic development, rapidly expanded the main steel industry, realized leapfrog development, and reached the scale of ten million tons of steel in 2005. Entered the period of "11th five-year plan", to adapt to the new situation of the iron and steel industry development transformation, timely put forward to give priority to with quality benefit from scale expansion of the strategic shift by phases, establish implemented to "highlight the structure adjustment, focus on the independent innovation, create the best products in the steel, make laiwu characteristics, build a strong first-class enterprise" as the core content of the new development strategy, put emphasis on stronger. Through such important measures as accelerating technological progress, promoting structural adjustment, strengthening enterprise management, actively exploring the market and vigorously developing circular economy, the quality of enterprise development has been improved and steady and rapid development has been maintained. While vigorously developing the main steel industry, it has made fundamental adjustments to the property right structure of the non-steel industry. It has reformed the system of separating the main and secondary industries of 11 subsidiaries, and transferred the public security and primary and secondary education systems to local governments. Carry out strategic reorganization to laigang group. In 2011, it produced 14.112,000 tons of steel, realizing sales revenue of 75.1 billion yuan, total profit and tax of 5.4 billion yuan and profit of 2.56 billion yuan. In 2012, it produced 14.8665 million tons of pig iron, 14.476 million tons of steel and 14.56 million tons of steel, realizing sales revenue of 71.7 billion yuan and total profit and tax of 2.53 billion yuan. It exported 502,700 tons of steel products, earning us $320 million in foreign exchange.

During the 12th five-year plan period, laigang formulated and implemented the strategic plan with the core content of "adhering to the system improvement, innovating the operation mode, promoting the industry coordination, strengthening the main steel industry and supporting the development of shandong steel". In the next period, the lai steel will continue to adhere to the scientific outlook on development as guidance, take innovation drive, save operation, the road of connotation development, green development, accelerate the transfer mode, adjust structure, upgrade products, cost improvement, innovation, enhance the steel main business profitability, accelerate the related diversified industrial development, strengthening the development quality and market competitiveness. By the end of the 12th five-year plan period, laigang group will have a comprehensive production capacity of more than 18 million to 20 million tons of steel annually, of which 12 million tons will be maintained in the headquarters. The group's annual sales revenue of more than 100 billion yuan, profit of more than 5 billion yuan; Non-steel operating revenue of more than 40 billion yuan, profit of more than 4 billion yuan. Take 5 ~ 10 years to build laigang into a modern and international steel enterprise with strong core competitiveness, strong anti-risk ability and strong sustainable development ability.