Brief introduction of Longzhong information

Longzhong Petrochemical Information Network (formerly known as China Petrochemical Business Information Network established by 1988) is the first petrochemical professional information service website in China. After more than 20 years of development, it has become a super-large vertical BtoB website for professional consultation and e-commerce in domestic petrochemical industry. With first-hand information resources, more than 20 years of professional accumulation, 100 senior experts' support, daily information update, 380,000 registered members, and the strength of daily traffic of millions of websites,