In 2018, we started close cooperation with China Railway and entered the sand and gravel supply indu

In 2018, we jointly established a sand and gravel business chain with the Guangdong team and officially started close ties with China Railway, undertaking the supply of 1 million tons of natural river sand and gravel annually. We have currently established strategic partnerships with many well-known large and medium-sized domestic enterprises, including the Seventh Hydropower Bureau, the Fifteenth Hydropower Bureau, China Railway Second Bureau, China Railway Tenth Bureau, and China Railway Twelfth Bureau.