PUR foams: 2003 deadline looms for HCFCs. Consumption of MDI in China in 2008 was 790,000 tons, an increase of 8% year-on-year, among polymerization MDI 480,000 tons, increased 40,000 tons year on year; pure MDI 308,000 tons, increased 18,000 tons year on year.
Hip bursitis can cause pain in the upper left hip region. Bursitis is a painful swelling and inflammation of a bursa--a fluid-filled sac located between ligament or tendons and bone that help reduce friction between these structures during movement.auses of Pain in the Upper Left Hip. Numerous conditions can cause pain in the upper left hip. Photo Credit hip xray image by JASON WINTER from Fotolia.com. Numerous conditions can cause pain in the upper left hip. Hip pain may be felt in one or both hips, depending on the cause of the pain and the tissues involved.
1 Spleen Irritation â Sometimes, the spleen, located under the left rib cage, can get irritated due to physical activities like running or walking or due to spleen rupture. 2  This too may cause pain under left rib cage and may also be associated with pain in left shoulder.