About Company

About H&H Worldwide

Our philosophy is to connect human beings "Green".

H&H stands for connecting Human and Human using green technology.

Along with our partner Bio Friends Inc., we will pave a road to a new era of renewable DME and Green Hydrogen.

Company History

May 2014 Established in Torrance CA

June 2014 Partnership with Pusan General Safety Company

Oct. 2016 Supply Contract with Pusan General Safety for South Korea Navy's AOE(Combat Support Ship)

July 2017 Partneship and Consulting Agreement with Bio Friends Inc. for DME and Renewale Energy Projects

July 2018 Consulting Contract with C&B Industries Co. for Methanol to DME Projects

Sep. 2018 Move to Rolling Hills Estates, CA

Jan. 2019 Certification from California Public Utilies Commission

Green Technology

DME and Its Future rDME

What is DME?

  • Dimethyl ether (DME) is a synthetically produced alternative to diesel. Under normal atmospheric conditions, DME is a colorless gas. It is used extensively in the chemical industry and as an aerosol propellant. Dimethyl ether requires about 75 pounds per square inch (psi) of pressure to be in liquid form. Because of this, DME's handling requirements are similar to those of propane.

  • DME application

  • Because of its lack of carbon-to-carbon bonds, using DME as an alternative to diesel can virtually eliminate particulate emissions and potentially negate the need for costly diesel particulate filters. 

  • The Ultimate Goal: rDME

  • Renewable DME is the ultimate goal of our Green Energy Strategy. Using bio-gas, Bio Friends and H&H will produce rDME to achieve carbon neutrality.
  • H&H's partner: Bio Friends and its DME plant

  • Bio Friends completed the construction of 5,000 TPY DME commercial plant in Boeun, Chungbuk, South Korea in July 2020, and is producing DME for chemical and agricultural use and hydrogen production
  • Bio Friends conducted a test operation in September, and began its commercial production in October 2020
  • Based on this, Bio Friends and H&H are promoting various DME projects including rDME all over the world
  • rDME to Green Hydrogen

    Bio Friends’ Hydrogen Technology, Basic Design( designed by Unitel)

    Bio Friends is developing commercial size of hydrogen production unit with capacity of 50~300Nm3/hr(100~600kg/day) using renewable DME as a fuel

    It will be World’s First rDME to Hydrogen production unit with scale-up technology that can secure system safety and compact size equipment manufacturing package

    DME-H2 Production and Power Generation Unit

    Bio Friends’ DME Steam Reformer: Hydro GEN 10
    "H&H Worldwide and Bio Friends are promoting hydrogen refueling business in California, USA"
    Hydrogen power generation units with the capacity of 5 ~ 10kW, 20kW, and 50kW

    Our Partners

    Power Generation Business

    Power Generation

    H&H Worldwide is a reliable supplier of gas turbine engine parts, equipment, and maintenance services. We provide wide range of services for GE frame 5, 6, 7, and 9 and Siemens engines.


    Battleships and Submarines

    We supply various marine products for battleships, submarines, and special-purpose vessels

  • Underway replenishment products
  • Marine hose and fittings
  • Aerospace hose and fittings
  • Valves
  • Navigational tools
  • Test equipment
  • Contact Us

  • Address : 777 Silver Spur #131 Rolling Hills Estates, CA 90274
  • Email: hnh@hnhworldwide.com
  • Phone: +1 310-746-7629