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Heilongjiang Kailunda Technology Co., Ltd.Issuing time:2020-06-08 13:08 -Project details: 10,000 tons of bisphenol S, 10,000 tons of 4-hydroxy-4 'isoproxydiphenyl sulfone, 2,000 tons of 3' -diallyl 4, 4' -dihydroxydiphenyl sulfone, 15,000 tons of Benz |