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Guangzhou Hongzheng Trade Co., Ltd. quality control

All Products

FeCL3 Ferric Chloride
(116)

CaCL2 Calcium Chloride
(101)

PAC Polyaluminium Chloride
(51)

Hexamine Powder
(52)

NaNO3 Sodium Nitrate
(61)

NaNO2 Sodium Nitrite
(51)

Caustic Soda Sodium Hydroxide
(50)

PFA Paraformaldehyde
(38)

PAM Polyacrylamide
(36)

Ammonium Sulfate
(22)

Iron Free Aluminum Sulfate
(24)

Sodium Bicarbonate Baking Soda
(33)

Sodium Carbonate Soda Ash
(37)

NaCL Sodium Chloride
(36)

Sodium Sulphate Na2SO4
(89)

P Toluenesulfonic Acid
(19)

P Cresol
(8)

Mono Potassium Phosphate
(16)

Sodium Hypochlorite Solution NaClO
(11)

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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QC Profile

According to the ISO9001 and ISO14001, strict quality control procedure from sample testing to final goods inspection. We arrange our production, including the measurement and analysis improvements,Small batch production after the test is normal, put into mass production, strict control of nonconforming products.

Procedures/testing Details
1. Material incoming inspection
2. Production inspection
3. Finished products inspection
4. Shipment inspection

Contact Details

Guangzhou Hongzheng Trade Co., Ltd.

Contact Person: Miss. Jessic

Tel: +86 13928889251

Fax: 86-020-22307821

Guangzhou Hongzheng Trade Co., Ltd. quality control

FeCL3 Ferric Chloride

CaCL2 Calcium Chloride

PAC Polyaluminium Chloride

Hexamine Powder

NaNO3 Sodium Nitrate

NaNO2 Sodium Nitrite

Caustic Soda Sodium Hydroxide

PFA Paraformaldehyde

PAM Polyacrylamide

Ammonium Sulfate

Iron Free Aluminum Sulfate

Sodium Bicarbonate Baking Soda

Sodium Carbonate Soda Ash

NaCL Sodium Chloride

Sodium Sulphate Na2SO4

P Toluenesulfonic Acid

P Cresol

Mono Potassium Phosphate

Sodium Hypochlorite Solution NaClO

CaCL2 Calcium Chloride

Industry Grade White Globular CaCl2 Calcium Choride Prills 94% Anhydrous 10043-52-4

ISO14001 PH 9.3 74% CaCL2 Calcium Chloride White Flakes 25kg/Bag Calcium Chloride Dihydrate

OHSAS18001 CaCl2 Calcium Chloride For Sewage Treatment

FeCL3 Ferric Chloride

Anhydrous Industrial Grade Fecl3 Ferric Chloride Powder

7705-08-0 Ferric Chloride Anhydrous FeCl3 Water Purification

10025-77-1 Ferric Chloride Hexahydrate 99% For Treats Waste Water