ONEJOON (Zhejiang) Co.,Ltd. is a Chinese industrial furnace, kiln and oven manufacturing company with the Chinese locations Shanghai and Zhejiang.

ONEJOON is the technology and market leader for oxidation ovens and carbonization furnaces used in the production of carbon fiber. ONEJOON also has a very strong position in the markets for cathode and anode material production for lithium-ion batteries. Other key target markets include the following:

  • Hardening of blades and saw bands
  • Sintering of metals and ceramics
  • Heat treatment of aluminium wheels and structural parts
  • Powder chemistry and advanced materials

ONEJOON supplies not only customized furnace technology but can also provide all supporting equipment and services as well. This includes the application of automation equipment, material flow expertise, process integration and system optimization.

Since the acquisition of Eisenmann Thermal Solutions in January 2020, all operations in Germany, USA and China are now subsidiaries of ONEJOON Group. A total of 22 employees work at the China location, 17 of them in Shanghai and 5 in Zhejiang.

The parent company ONEJOON Co., Ltd. is a mechanical engineering company based in Suwon, South Korea, whose primary market is the production of high temperature furnace systems including the required material handling and process technology for the treatment of cathode and anode material in lithium-ion batteries.

Head Office


Shanghai and Zhejiang


Head Office:
Room306 • BuildingC • No.1799 WuZhong Rd • Shanghai • China

Building 6 • No.6 Xinzhong Rd • Haining • Zhejiang • China

Size of the administrative and production areas

Factory Zhejiang

  • Gross floor area: 5,899 m²
  • Roof height: 13 m
  • Production workshop: 4050 m²

Management Board in China

Sunny Yu CEO ONEJOON (Zhejiang) Co.,Ltd +86 21 80 37 91 81
Changwoo Seong Vice President ONEJOON (Zhejiang) Co.,Ltd +86 21 80 37 91 82
Flagge Deutschland 440x280
Company Profile
ONEJOON Germany read more
Company Profile
ONEJOON Korea read more
Company Profile
ONEJOON USA read more
Heat treatment plants More than 120 years experience in industrial furnace construction
ONEJOON China Office Shanghai +86 21 80 37 91 81