PVC resin in the amount and variety of products grid has a lot of Pentium. To achieve the upgrading of the varieties, develop new varieties of more than 100. And also respond to the rapid development of the retrogression of the plastics processing. Even the air children in the 80 years after the introduction of four sets of two 15 PVC companies from overseas placement
PVC resin product quality, after the 1980s to the 1990s, the attack clearly changes. Early PVC resin are table tennis-like compact, 8.6% of the 1978 fluffy type resin is only the total output of PVC resin, rose to 69.4 percent in 1988, In addition to the extraordinary variety, all the upgrading. There are great changes in the varieties of PVC resin, the 1980s more than a dozen varieties - Dongguan plastic folding boxes
Affected by the international financial crisis, once the second half of 2008, international crude oil futures plunged calmly falling body method, value of NYMEX crude oil futures plunged from a $ 7.25 / barrel to $ 33.20 / barrel, down 77 .5%, affected oil as a raw material ethylene PVC capital substantially landing, import the monomer law capital and brought about a substantial landing. At the same time, the value of domestic coal and electricity due to the policy ingredients a greater impact, a decrease of limited capital support, the rate of decline in the value of domestic calcium carbide is much less than the decline of international oil prices. Crude oil plunged to incur the capital advantage of the domestic calcium carbide method lose some of the original monopoly calcium carbide process PVC production enterprise at the very start at the very start to turn to imports of monomer in the capital advantage. However, since the end of 2008, due to the global major economies join forces to save the city of the impact of crude oil and other commodities at the very start at the very start to recover value rebound.