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China Guangzhou Hongzheng Trade Co., Ltd. certification
China Guangzhou Hongzheng Trade Co., Ltd. certification
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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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sodium hydroxide 25kg online manufacture

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Hexamethylenetetramine Urotropin Crystal Powder Hexamine Purity 99% Introduction Hexamine is white crystal or powder, specific gravity(25C)1.27, melting point 199-122C; sublimated when heated to 230C, nofusion ... Read More
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Industrial Grade 99.3PCT Hexamine Urotropine Hexamethylenetetramine In Bulk Introduction Hexamine white crystalline powder or colorless shiny crystals.Irritating to the skin.The relative density is 1.27 (25)... Read More
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99% Hexamethylenetetramine Urotropine Hexamine As Accelerator For Rubber Vulcanization Introduction 1. Appearance: white crystalline powder 2. Molecular formula: C6H12N4 3. Properties: Urotropine, also known as ... Read More
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Introduction: Chemical Formula: C6H12N4 Molecular Weight: 140.19 Other name: hexamethylenetetramine, cyclohexamethylenetetramine Boiling Point: 263 C (sublimation) Water Solubility: soluble Density: 1.33 g/cm ... Read More
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25 KG/BAG White Powder P Toluenesulfonic Acid CAS 104-15-4 For Making Cresol And Medicine Introduction P Toluenesulfonic Acid (Its molecular structural formula is p-CH3C6H4SO3H, also known as TsOH, English name ... Read More
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White Powder Paraformaldehyde 96% CAS 30525-89-4 UN2213 Paraformaldehyde Introduction Paraformaldehyde: white powdery solid, flammable solid with pungent odor (formaldehyde smell). It is a linear polymer of ... Read More
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Top Quality Calcium Chloride Anhydrous 94% White Powder Introduction Calcium Chloride is an inorganic salt, which exists as solid or liquid. Solid calcium chloride is a white, crystal substance in the form of ... Read More
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