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Last week, PVC social inventory increased 4.06 percent month-on-month and 16.59 percent year-on-year, with 317,000 tons in east China and 196,000 tons in south China.

For East China region, the increase was 4.62% month-on-month and 1.93% year-on-year.

South China region increased 3.16% month-on-month and 50.94% year-on-year.

Last week, the operating rate of PVC production enterprises was 78.91%, up 0.98% month-on-month and 2.73% year-on-year.

Calcium carbide process started at 80.57%, up 0.8%, down 1.98%, ethylene process started at 71.17%, down 1.84% month-on-month, down 6.25% year-on-year.

Low start-up of ethylene process high cost of vinyl chloride in main markets and tight supply of vinyl chloride restrict start-up of ethylene process.

Spot market: QILU CHEMICAL CITY PVC market weak downward, offer downward. The price of calcium carbide type 5 is 5.910 yuan / ton, the price of ethylene material Qilu S1000 is 6.020 yuan / ton, and the price of S700 is 6.170 yuan / ton.