SCO Summit Will Be Held in Qingdao
In 2018, the SCO summit will be held in Qingdao in June. The conference will implement the initiative proposed by President Xi in building a community of common destiny, develop friendly relations with neighboring countries and develop the Silk Road strategy of "the Belt and Road".
Shandong, Hebei provinces (Shandong Provincial Party Committee has issued a circular notice) from April to June of chemical, paper, steel and other enterprises all prohibited or limited production in order to ensure the successful convening of this international conference.
This means Environmental policy in china will more stringent. In short supply, the price will rise sharply countinue and the delivery will longer. I think both of two factors are important for you.