About Us

An authorized DEVELON dealer and one-stop construction equipment partner based in Yantai, Shandong, China.

COMPANY PROFILE

About Yonghong

Yonghong is an authorized DEVELON (formerly Doosan Infracore) dealer based in Yantai, Shandong, China, serving customers across the region with the full line of DEVELON construction equipment – from mini excavators to large mining excavators and wheel loaders.

Beyond new machine sales, Yonghong provides genuine and economy parts, professional maintenance and comprehensive after-sales support. Through Yonghong Tezhuang, the company also delivers special-purpose and customized equipment, including the jointly developed DX225LC electric excavator conversion.

Customer demo and visit at the Yonghong yard in YantaiAI-generated DX225LC electric excavator demonstration sceneAI-generated DEVELON excavator product lineupSpecial equipment workshop
Customer demo and visit at the Yonghong yard in YantaiAI-generated DX225LC electric excavator demonstration sceneAI-generated DEVELON excavator product lineupSpecial equipment workshop

MILESTONES

Our Development Journey

01 / 04
2015

DEVELON Partnership

Yonghong became an authorized DEVELON dealer in Shandong, serving customers with construction equipment, parts and support.

DEVELON Partnership
2018

Yonghong Tezhuang

The specialized business focuses on special-purpose and customized construction equipment.

Yonghong Tezhuang
JULY 2026

DX225LC Electric Launch

Yonghong Tezhuang and DEVELON officially launched the 22-ton DX225LC electric excavator conversion.

DX225LC Electric Launch
JULY 2026

DX680HD Project Delivery

A DEVELON DX680HD was delivered for a non-explosive granite excavation project in Shandong.

DX680HD Project Delivery

Our Certificates of Honor

Recognition for our service, industry partnerships and commitment to the community.

Our Certificates of Honor