Brand Story

ROTASS & TONGHUI GAS

Tonghui Gas founded in 2007, is a leading specialty gas manufacturer in the Southwest China. The company specializes in researching, producing, and selling food-grade and electronic-grade Carbon Dioxide, Nitrous Oxide, and other specialty gases.

Rotass is created in 2022 by Tonghui Gas, focuses on the food additive cream chargers, soda chargers, and related products such as cream whipper and soda maker, aim to provide tailored gas supplement and convenient one-stop solutions for the culinary use and hotel supply chain. We’ve been built partnership to industry leaders like Coca-Cola, Pepsi, Häagen-Dazs and Molly Tea. From the factory to user and consumer sides, we keep delivery consistent performance and texture enjoyment.

Our Mission

Quality at Every Stage

We operates a fully integrated, audited manufacturing facility to ensure global quality standards, and implement strict process control and continuous inspection throughout cream charger manufacturing and gas production, to ensure consistency, safety, and reliable performance in every product delivered to our partners and final users.

Sustainable Manufacturing

We are committed to responsible production practices, optimizing the resource ue and minimizing waste. Throught carefully control the emission  and recycling the resources during the production process to improve the effeciency and support long-term environmental sustainbility.

Value Through Partnership

Beyond product supply, we offer online customer resources, support local market activities and booths, and provide flexible local branding solutions to meet diverse market and partnership demands – helping our partners strengthen competitiveness and create lasting value.

Responsible Growth

For us, sustainable business means looking beyond just our production lines. It’s about how we operate every single day. Through ethical practices, our BSCI-audited system, and genuine engagement with our communities, we strive to make a positive impact on society. We’re dedicated to fostering long-term trust, not just with our customers, but also with every single person who works with us. It’s about growing responsibly, hand in hand.

Our Principles

Safety First

Safety is the foundation of our manufacturing operations. As a chemical gas manufacturer, we maintain strict safety management systems, conduct regular fire and chemical leakage drills, and implement continuous safety training to minimize operational risks and ensure a secure production environment.

Certified Operations

Our factory operates under internationally recognized management standards.
With ISO-based management systems and CE-compliant products, we ensure that every stage – from production and packaging to documentation and export procedures – meets global regulatory requirements.

Delivering Excellence
as A Gas Supplier

Partner With Us

ROTASS Products offer a range of N2O cream chargers in different sizes, CO2 chargers, and various accessory items. Safety is our top priority when dealing with chemicals, so we seek qualified distributors both locally and internationally to cater to the unique demands of our local customers.

As a distributor, you have early access to the best prices and continuous stock, increasing your profit margin and improving turnovers. We offer local delivery for your pallet orders direct from our US and EU warehouses, which allows you to focus on generating sales without the hassle of storage or distribution.

Become Our Partner

Get in touch with us today to discover how we can support your business growth.

Contact

We will get back to you within 24 hours

Call

+86 185 8458 8323

Email

rotass@cqthqt.com