the chinese academy of sciences joins hands with henan nenghua to build a 300 000-ton mma device
on july 1, the new ionic liquid catalytic ethylene-synthesis gas method for producing methyl methacrylate (mma) green technology independently developed by the institute of process engineering of the chinese academy of sciences was launched in henan zhongke puyuan new materials co., ltd., 300,000 tons the groundbreaking ceremony for the first phase of the mma project…

