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1-hydroxy-2-naphthoic acid(1,2 acid)|sulfo j acid|2-naphthol-6-sulfonic acid|potassium salt(schaeffer's acid,potassium salt)|2-naphthol-6-sulfonic acid,sodium salt(schaeffer's acid,sodium salt)|naphthalene-1.5-disulfonic acid,disodium salt--Shanghai Licheng Chemical Co., Ltd.
the company now has intermediates, food additives, ultraviolet absorbents, fire retardant, metal conditioner, photosensitive materials, etc. More than 99% of the products are exported to worldwide market
Xn--cjr84wcnxdep.com ~
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Tianjin harmony technology development Co.,Ltd.
Tianjin harmony technology development Co.,Ltd. is specialized in the manufacture of active Pharmaceutical Ingredients, pharmaceutical intermediates and other chemical products. Founded in 1991, the company is located in Tianjin Xiqing industrial Park,economic development zone and convenient transportation.
Harmonyworld.biz ~
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