Bis(pentamethylene)thiuram tetrasulfide CAS NO.120-54-7

dayang chem (hangzhou) co.limited, established in 2000, dedicated to the development, production and marketing of chemicals. we are a leading manufacturer and supplier of chemicals in china.

manufacturing base: the company has some manufacturing base in zhejiang, jiangsu and shandong provide. these bases focus on production and contract manufacturing.

sales agent: dayangchem are authorized by many chinese chemical manufacturers as universal agency and international area agency. dayangchem has established very good cooperation and business relations with hundreds of chinese qualified manufacturers by long time business intercourse.

strong quality control system: strength of our ethical commitment to quality control and quality assurance systems firmly based on iso standard. qa and qc used in the whole process of raw material control, process control and finished product quality inspection.

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