Plastic building materials:
Plastic building materials are a rising star in Ran Ran. With the rapid growth of the real estate industry in China in recent years and the increase of state investment in infrastructure, China's plastic building materials industry has become the second pillar industry after packaging, with an average annual growth rate of over 15%. In recent years, China plastic building materials industry has accelerated the pace of R&D, popularization and application, the production scale of the industry has been continuously expanded, and the technical level has been steadily improved. In particular, plastic profiles and pipes have entered a stable and mature growth period and become the best used plastic building materials. More than 3% of China has applied new plastic pipes, and some provinces and cities with rapid development have reached 9%. In some towns in the three northeastern provinces and Inner Mongolia, more than 4% of newly-built houses have used plastic windows, and more than 8% of newly-built houses in Qingdao and Dalian have used plastic windows.