Products

Professional development of sewage treatment agents

Industrial-grade PAC
Industrial-grade PAC
Industrial-grade PAC
Industrial-grade PAC
Industrial-grade PAC
Industrial-grade PAC
Drinking Water Grade PAC
Drinking water grade PAC
Drinking water grade PAC
Drinking water grade PAC
PFS
PFS

Application

Working Together to Build Your Dreams

About Us

Henan Wanzhong Water Treatment Co.,Ltd

Henan Wanzhong Water Treatment Co.,Ltd ( Vanzon Water ) located in Gongyi City, Henan Province ,which is largest production base for water purification materials in China. We are a new type of environmental protection company integrating production, sales and service.
Our man products are high molecular flocculants  polyacrylamide (cationic, anionic, nonionic), coagulants Polyaluminium chloride (drinking grade and industrial grade ) ,Poly Ferric sulfate...  

News

Purify water and protect the environment

2026-02

02

Why Excessive Polyacrylamide (PAM) Flocculant Increases Effluent COD: An Optimized Dosing Guide

Discover why overdosing polyacrylamide (PAM) flocculant can raise wastewater COD. Learn optimal PAM dosing strategies for effective coagulation, sludge dewatering, and regulatory compliance in industrial wastewater treatment

2026-01

30

A New Era Begins: Henan Wan Zhong Water Treatment Unveils Enhanced Headquarters to Better Serve Global Water Treatment Needs

Henan, China – Henan Wan Zhong Water Treatment Co., Ltd., a leading manufacturer, exporter, and supplier of high-quality water treatment chemicals, is proud to announce a significant milestone in our company's journey: we have successfully moved into

2026-01

20

How to Choose the Right PAM for Piling Slurry Treatment?

Are you struggling with the efficient treatment of piling slurry? Selecting the right polyacrylamide (PAM) flocculant can dramatically improve your dewatering efficiency, reduce disposal costs, and ensure environmental compliance. This comprehensive guide

2026-01

12

The Role of Poly Aluminium Chloride in Wastewater Treatment

Poly Aluminium Chloride (PAC) is a cornerstone chemical in modern wastewater treatment. Its superior coagulation capabilities, versatility in removing diverse contaminants, and operational benefits make it an indispensable tool for achieving clean water g

2026-01

09

The role of polyacrylamide PAM in wastewater treatment

Polyacrylamide (PAM) is a high-molecular-weight synthetic polymer that plays a pivotal role as a flocculant in water and wastewater treatment. Its primary function is to dramatically accelerate the separation of solids from liquids.

2025-12

31

Ring in 2026 with Excellence! New Year Greetings & Holiday Notice from Your Trusted Water Treatment Part

Wishing our global partners a prosperous 2025! Read our New Year message & holiday notice. We specialize in premium Polyacrylamide (PAM), Polyaluminum Chloride (PAC), and flocculants for water treatment solutions.

2025-12

29

Coagulation vs. Flocculation: The Dynamic Duo of Water Treatment

coagulation is the chemically-dominated process of making fine particles "unsticky and ready to clump," while flocculation is the physically-dominated process of making those destabilized particles "clump together and grow big." They

2025-12

25

Warm Christmas Wishes and a Year-End Update from Henan Wanzhong Water Treatment Co.,Ltd

Merry Christmas to all our customers, May this festive season bring you joy, peace, and a prosperous New Year!

2025-12

20

Guidelines for Using Polyacrylamide (PAM) and Polyaluminum Chloride (PAC) in Low-Temperature Winter Conditions

In wastewater treatment operations, winter brings the significant challenge of low water temperatures. This can severely impact the performance of essential flocculants and coagulants like In wastewater treatment operations。

2025-12

16

Wanzhong Water Treatment Showcases Innovative Solutions at Jinan Industrial Water Treatment Forum

Mr. Qiao, General Manager of Wanzhong Water Treatment Co., Ltd., recently attended the prestigious Industrial Water Treatment Technology Exchange Forum in Jinan. The event brought together industry leaders, technical experts, and solution providers to del

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