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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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Company News
Latest company news about GUANGHZOU HONGZHENG TRADE CO., LTD.

GUANGHZOU HONGZHENG TRADE CO., LTD.

[2022-12-30 15:40:01]
Guangzhou Hongzheng Trade Co., Ltd. was established in 2006. We are committed to recommending the most valuable and competitive products to our customers, and has more than 15 years of operation , storage and transportation of chemicals. We mainly supply: Hazardous chemicals: ferric chloride ... Read More
Latest company news about COVID-19 does not affect shipments

COVID-19 does not affect shipments

[2022-11-03 16:17:34]
As of November 3, there were 2,889 high risk areas, 2,184 medium risk areas and 332 low risk areas in China. But this will not affect our normal export, in order to ensure delivery on time, we are still working at our posts. Thumbs up to those who are working hard during the COVID19! Our warehouse ... Read More
Latest company news about Calcium Chloride Usage

Calcium Chloride Usage

[2022-10-31 16:55:18]
English name: Calcium chloride Product Category: Inorganic Chemicals/Inorganic Salts CAS NO.: 10043-52-4 Molecular weight: 110.98 EC NO: 233-140-8 Molecular formula: CaCL2 Structural formula: CL-Ca-CL Product Usage: Calcium chloride can be used as a multi-purpose desiccant and dehydrating agent, ... Read More
Latest company news about National Day holiday

National Day holiday

[2022-09-28 11:02:19]
Dear Customers, We will have 7days holiday from 1st Oct, to 7th Oct for National Day holiday. We are still online during the holiday, if you have any inquiry or question, please kinldy contact e-mail "jessic@hongzhengmy.com" or whatsapp"+8613928889251". Best Regards, HONGZHENG Read More
Latest company news about Application Of Ferric Chloride Anhydrous

Application Of Ferric Chloride Anhydrous

[2022-08-19 11:23:55]
Ferric chloride anhydrous is a covalent compound. Also known as ferric chloride, the chemical formula is FeCl3, and it is a black powder. The melting point is 307.6℃, and the boiling point is 316℃. It is easily soluble in water and has strong water absorption. It can absorb moisture in the air and ... Read More
Latest company news about What is the difference between ferric chloride hexahydrate and ferric chloride anhydrous?

What is the difference between ferric chloride hexahydrate and ferric chloride anhydrous?

[2022-06-21 10:36:05]
Ferric chloride hexahydrate is a crystalline water compound, and ferric chloride anhydrous is a brown powder. ​​ Ferric Chloride Hexahydrate Molecular formula: FeCl3.6H2O Properties: Ferric chloride hexahydrate is yellow-brown crystalline or massive solid, odorless and astringent. The melting point ... Read More
Latest company news about Production Methods Of Ammonium Sulfate

Production Methods Of Ammonium Sulfate

[2022-05-24 17:04:04]
The production methods of ammonium sulfate mainly include: 1. Neutralization method: ammonia and sulfuric acid react in a saturated crystallizer (under vacuum or normal pressure) to generate ammonium sulfate crystals, which are separated by a centrifuge, the filter cake is dried to obtain the ... Read More
Latest company news about Hexamine Production Process

Hexamine Production Process

[2022-04-28 17:00:41]
Liquid Phase Process 1. Liquid Phase Process Description The liquid phase process uses a 37% formaldehyde solution and ammonium. The hexamine solution is then dewatered by evaporator and enters the centrifugation and drying device in order to obtain hexamine. This is an advanced, easy process. ... Read More
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