The Group won the Zhoushan Xiaoqushan Island Mining Project with a total investment of 1.2 billion yuan in 2011 with a bid of 418 million yuan. The sand and gravel aggregate mine with the largest reserves in production. The mining area covers an area of 1.442 square kilometers, and the reserves of sand and gravel in the mining area are 221.6 million tons. The mining period is 20 years. According to the current market price of sand and gravel, the value of the resource reserves has exceeded 10 billion yuan. The production technology and automation of the mine have reached the most advanced level in China, and the production scale of sand and gravel materials has reached 60,000 tons per day. The products are mainly used for urban high-rise concrete buildings and large-scale coastal reclamation projects.