twinshanghai.com - Twin International Co., Limited - water treatment chemicals|chemical raw material|food additives

Description: Twin International is a manufacturer of water treatment chemicals and pharmaceutical intermediates.

water treatment chemicals|chemical raw material|food additives (3)

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Sodium Bromide industrial grade and Photographic Grade CAS#7647-15-6。

Polyvinylpyrrolidone (PVP K30 K12 K15 K17 K25 K60 K90) has two grades:pharm grade and industrial grade.

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