annual output of 100 000 tons of propylene oxide! 1 million tons/year high-end chemical new material project contract signed
on the morning of august 10th, china tianchen engineering co., ltd. and shaanxi yuneng fine chemical materials co., ltd. held a 1 million tons/year high-end chemical new material project in the northwest regional center of china tianchen to win the general institute and public auxiliary foundation design contract, hppo and the signing ceremony of the…

