Afected by the environmental protection policies, PVC market traders offer remain high. Today PVC futures rose significantly, the spot market to boost the domestic PVC industry, the overall quotation is relatively strong, low prices continued to decline, individual quotations are still tempted to pull up slightly. 5 type calcium carbide material,  east China market price is in 5600-5700 yuan/ton, and South China mainstream quotation in the 5680-5730 yuan/ton, a slightly higher price.