Zhongcheng develops, manufactures and markets specialty chemicals
and services worldwide. Zhongcheng is the largest supplier of sodium
hydrosulfite in the world.
Our goal is to supply our customers the most cost-effective and
highest quality chemicals and services. We believe we can
only succeed if our customers do. We are committed to achieving
total customer satisfaction through responsible
management and delivery of our promises.
AZ Chemicals, Inc serves North American customers’
need for a more reliable and cost effective source of sodium hydrosulfite
and sodium percarbonate. We bring to America over 10 years of Guangdong
Zhongcheng’s experience and expertise in handling hydrosulfite.
Established in 1993, Guangdong Zhongcheng is a privately held chemical
company headquartered in Dongguan, Guangdong, China. The company
is a specialty chemical producer with principal businesses in the
pulp & paper, textile and consumer household products industries.
Hydrosulfite Capacity Share
Through 10 years of technology innovations, focus and disciplined
management, Zhongcheng has vaulted to the No. 1 position in capacity
and market share among the world’s sodium hydrosulfite producers.
With an annual capacity of over 190,000MT, we represent over 30%
of the world’s total sodium hydrosulfite capacity.
We conduct business in an ethical manner that reflects our respect
for our customers, our employees, our environment, and our shareholders.
We operate two manufacturing plants
Producing quality chemicals safely requires relentless attention
to details and rigorous discipline. We operate under a meticulous
and well regarded international management system. We are proud
to be ISO 9001:2000 certified as of October 2001 for the
"design, production and servicing of sodium hydrosulfite, sodium
metabisulfite, sodium hyposulfite, anhydrous sodium sulfite, liquid
carbon dioxide". We will continuously improve the quality of
our products through the hard work and dedication of our employees.
Zhongcheng is committed to sustainable and responsible development.
We pioneered, within our industry, the recovery of four by-products
in our manufacturing processes.
- carbon dioxide
- sodium sulfite
- sodium thiosulfate
- high purity hydrogen
We are actively pursing ISO14000 and OSHMS 18000 certifications.