Shandong Efirm Biochemistry and Environmental Protection Co.,Ltd.
As the largest and most professional Sulphide manufacturer in Asia,Shandong Efirm Biochemistry and Environmental Protection Co.,Ltd is a real manufacturer especially product Thiourea 99% min and Sodium Hydrosulfide.It will become list company in the year of 2015.Although it was founded in Jan 2011,we have started to product Thiourea under our Group since the year of 2003.Thiourea 99% purity min is usually used as Pharmaceutical Intermediates,Gold Mining floating,Making Pesticide,Electrofacing Cl...
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