Organic Silicon Mall News - July 21: this week Shandong monomer factory continued to adjust the price, other monomer factory seems to be stable, but actually negative decline. Today, Shandong single factory fell below the 20,000 mark, DMC opened down 200, quoted 19800 yuan/ton, Zhejiang main DMC temporarily maintained 21000 yuan/ton, but some single factory has slightly with the fall to 20500-20800; Overall, the overall surface of the market is still calm, but undercurrents are starting to emerge, and companies in the middle and lower reaches are just waiting for a chance to get a low price. In the short term, DMC is easy to fall and difficult to rise, but under the high control of raw material methylene chloride, the decline is difficult to increase, and other monomer factories are still considering whether to follow up below 20,000.