
Yantai Doocang Heavy Industry Tech Co., Ltd. Since 2006
Yantai Doocang Heavy Industry Technology Co., Ltd. is a large-scale high-tech factory specializing in excavator hydraulic attachments, including hydraulic breakers, quick couplers, grapples and hydraulic shears. Equipped with standardized production workshops, professional inspection labs and large warehouses, we have sufficient capacity for bulk global orders and customized OEM/ODM projects.
- One‑stop packaging & printing solutions.
- Full advanced production equipment.
- Strict quality control system.
- Strong custom manufacturing capacity.
- Efficient whole‑process service support.
Our Factory
Yantai Doocang Heavy Industry Technology Co., Ltd. is a large-scale high-tech factory specializing in excavator hydraulic attachments, including hydraulic breakers, quick couplers, grapples and hydraulic shears. Equipped with standardized production workshops, professional inspection labs and large warehouses, we have sufficient capacity for bulk global orders and customized OEM/ODM projects.

Main Products
Quality Attachments, Custom Engineering Solutions
Production Equipment & Market
Our Advantages
Relying on independent R&D, reliable craftsmanship and global service network, we deliver high‑performance excavator attachment solutions for heavy‑duty engineering worldwide.
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One‑Stop Solution
Supply full‑series excavator attachments including hydraulic breakers, quick hitches, grapples and hydraulic shears to meet diverse project demands.
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Reliable In‑House Manufacturing
Adopt imported Korean precision processing & testing equipment with 100% in‑house core component production for stable product performance.
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Rigorous Quality Assurance
Strict pressure, sealing and durability tests are implemented for all products, backed by national high‑tech enterprise qualification and over 30 patents.
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Global Technical Service
Support OEM & ODM customization, with fast response, professional training and local dealer support covering four continents.
Company News
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