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Norm Scientific Instrument Co., Ltd.
pH indicator paper provides a fast and economical method of pH measurement. For most solutions it is only necessary to dip short strip test in the solution for second or two. Then shake off excess fluid match color wet with its chart read values. ...
Telephone：86 - 20 - 84058142Address：No.37,East Jiangnan Road Guangzhou Guangdong 510220 China
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Aoke Biological Engineering (Yangzhou) Co., Ltd.
Aoke Bioengineering (Yangzhou) Co., Ltd. is engaged in the production and sales ph test strips, all kinds of precision paper, special paper including red litmus blue lead acetate Congo red, phenolphthalein etc., qualitative filter quantitative analysis other products, company has 20 years ...
Telephone： 86-0514-80916263Address：Putou town, Jiangdu District
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