1. Prospect of petroleum and petrochemical industry in 2022 Looking back on the oil and petrochemical industry in the past year, after experiencing the impact of global public health events, the price......

On March 3rd, the Ministry of Science and Technology issued a notice on soliciting opinions on the 2022 application guidelines for 24 key projects, including the "Clean and efficient Utilization ......

In response to the request of epidemic prevention and control, the 4th Guangzhou Daily Merchandise Fair, originally scheduled from May 31 to June 2, 2022, has been postponed. The specific date ......

1. Different densities. The density of LDPE is 0.91g/cm3-0.93g/cm3, which is the lightest variety of polyethylene resin; The density of LLDPE was 0.918-0.935 g/cm3.The density of HDPE is 0.941~0.960g/......