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China Guangzhou Hongzheng Trade Co., Ltd. certification
China Guangzhou Hongzheng Trade Co., Ltd. certification
Customer Reviews
Our company have been cooperating with Hongzheng for 5 years, their service is good and the staffs are stable. Mr.Lam has served me for 5 years, we are like friends. We mainly purchasing calcium chloride dihydrate, it has very good performance on rubber glove industry. Worth working with them.

—— Tomo Visava

Hereby, we confirm that the quality of anhydrous ferric chloride barreled one is good. Thank you for all your suggestion, also good after sales service.

—— Syed Avais Ali

Under here with, we'd like to certified that anhydrous sodium sulfate of 500 tons supplied in 2020, works so well in textile and dyeing industry.

—— Torikul Zaman

Very appreciate for your professional service & very happy to know you. We trust the quality of your products. It always the best. Keep this going, and we will establish a long-term trade relationship with you.

—— Bill

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p toluenesulfonic acid online manufacture

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Toluene-4-Sulfonic PTSA P-Toluenesulfonic Acid CAS Number: 104-15-4 Introduction Product name: p-Toluenesulfonic acid CAS: 104-15-4 MF: C7H8O3S MW: 172.2 Density: 1.07 g/cm3 Melting point: 106-107C UN code: ... Read More
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PTS, PTSA, P-Toluenesulfonic Acid, Para-Toluenesulfonic Acid, P-Toluene Sulfonic Acid Intorduction Name: P-toluenesulfonic acid Alias: p-toluene sulfonic acid/ PTS/ PTSA/ Para-Toluenesulfonic Acid/ 4-Toluene ... Read More
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High Quality P-Toluenesulfonic Acid PTS ACID As Curing Agent Introduction Name:p-Toluenesulfonic Acid Other Name: 4-Methylbenzenesulfonic acid; Methylbenzenesulfonic acid; PTSA; toluene-4-sulfonic acid; ... Read More
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High Purity P-Toluenesulfonic Acid 104-15-4 P Toluenesulfonic Acid Anhydrous Introduction P-Toluenesulfonic acid (p-CH3C6H4SO3H, also written as TsOH) is a non-oxidizing strong organic acid, which is one ... Read More
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P-Toluene Sulfonic Acid PTSA Medicines Intermediate And Coatings Intermediate Product Introduction Name: P Toluenesulfonic Acid Cas No.:104-15-4 Molecular Formula:C7H8O3S Molecular Structure: Molecular Weight... Read More
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4-Toluene Sulfonic Acid, Ptsa, P-Toluenesulfonic Acid 99% As Intermediates For Medicines Introduction P-toluenesulfonic acid (chemical formula: p-CH3C6H4SO3H, also written as TsOH) is a non-oxidizing strong ... Read More
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P-Toluene Sulphonic Acid/Toluenesulfonic Acid/P-Toluenesulfonic Acid For Dyestuff Intermediates Introduction Name: P-toluenesulfonic acid Alias: p-toluene sulfonic acid; PTS; PTSA Chemical formula: C7H8O3S ... Read More
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