About Us

Wintersun's main office at 1250 East Belmont St, Ontario, California 91761

Wintersun’s main office at 1250 East Belmont St, Ontario, California 91761

About Us

Since 2001, Wintersun has been an industry leader supplying quality ingredients at competitive prices. Headquartered in Ontario, Southern California, Wintersun is dedicated to making sure customer expectations continue to be exceeded. Committed to being a reliable, customer focused source of ingredients, Wintersun believes in success through strong relationships with our clients and high-quality manufacturers. Wintersun is a proud member of the National Association of Chemical Distributors (NACD), and is listed in the California Unified Certification Program (CUCP) database of certified DBEs under the chemical distributor category.

Our Websites

In addition to www.wintersunchem.com, we also have  www.wintersunchemical.com, e-Commerce website designed to serve you who want to purchase our products online.

Excellence

At Wintersun, we are committed to excellence.  From manufacturing to packaging and delivery, we provide quality, reliability and the highest degree of customer service.  Our scope of service is structured around the unique needs of each client. Our mission is to provide consistent and reliable sources of chemicals along with exceptional customer service.

Partners

In addition to Wintersun-brand chemicals, we have established enduring partnerships with many worldwide suppliers to provide an ever wider selection of products. At Wintersun, we believe in success through strong relationships with our clients and high quality manufacturers.

Safety Certificate & Awards

Wintersun Chemical is a proud member of National Association of Chemical Distributors (NACD) which is an international association whose members have the highest standards in environmental safety, performance, and security.  A regular third party audit and verification is required to each member to make sure the Responsible Distribution Codes are followed covering from safe handling, storage and transportation of chemicals, and regulation compliance to community outreach, internal auditing and product stewardship.

In addition, Wintersun received a CHP reward indicating outstanding achievement in compliance with the laws of the warehouse and the road.

Our Industries

Wintersun offer a diverse selection of the chemicals used in the development and manufacturing on the following industries

Why Wintersun?

  • DEA certified
  • NACD member
  • Global Sourcing
  • Performance you can trust
  • Immediate shipment
  • Experienced Staff
  • Expansive Product Line
    (Liquid/Dry; Organic/Inorganic; Commodity/Specialty)

Wintersun Holiday Calendar

  • New Year’s Day                 January 1
  • Memorial Day                    Last Monday in May
  • Independence Day          July 4
  • Labor Day                            First Monday in September
  • Thanksgiving Day            4th Thursday in November
  • Christmas Day                   December 25

* When a holiday falls on a Saturday, it is usually observed on the preceding Friday. When the holiday falls on a Sunday, it is usually observed on the following Monday.

Organizations and Affiliations

NACD Certificate of Completion 2021

Awards, Licences, and Certificates

   Awards, Licences, and Certificates


DBE Certificate  |  
CHP Certificate

NACD Verified Logo


dea-logo