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The Group

One headquarters plus two production bases covering the complete chain — front-end solutions, trial production, mass production, and precision finishing. One responsible partner, fully traceable.

THREE ENTITIES

Three Synergistic Companies

Group HQ · Est. July 2009

Qingdao OS Intelligent Technology Co., Ltd.

Founded September 2023 · Qingdao
  • Group's core headquarters, overseas marketing hub, and integrated R&D & precision finishing center
  • Oversees global market expansion, technical innovation, project implementation and high-end finished product delivery
  • Front-end market communication, customized R&D, precision machining, assembly & testing
  • International trade, process optimization, solution verification and high-end deep processing
  • Leverages Qingdao's superior port resources; deeply engaged in European & American markets
Trial Base · Est. Feb 2018

Qingdao Excellent Metal Products Co., Ltd.

Founded February 2018 · Qingdao
  • Group's core R&D trial-production base and small-batch manufacturing base
  • Precision casting process development, sample trial production, small-batch production
  • New product verification, iterative process optimization, high-quality small-batch delivery
  • High-end material machining: stainless, duplex, heat-resistant & alloy steel
  • Non-standard customization, new product development, multi-variety small-batch orders
Mass-Production Base · Est. June 2024

Liaoning Excellent Metal Products Co., Ltd.

Kazuo EDZ, Chaoyang, Liaoning
  • Group's large-scale precision casting mass-production base in Northern China
  • Standardized mass production of high-end castings; mature orders, capacity release
  • Fully automated silica sol investment casting production lines
  • Materials: stainless, duplex, heat-resistant steel, carbon steel, alloy cast steel
  • Standardized, high-volume, long-cycle orders; stable, consistent casting blanks
DELIVERY MODEL

The Journey of One Order

STEP 01

Intake

HQ engages the customer and converts requirements into solutions & quotes

STEP 02

Trial & Lock-In

Qingdao base: prototypes, process validation, small-batch transition

STEP 03

Mass Production

Liaoning base: fully automated lines produce casting blanks at volume

STEP 04

Finish & Deliver

Machining, assembly and testing completed before shipment

MILESTONES

Our History

July 2009
Qingdao Vanguard Golden Relation Co., Ltd.

Founded, focusing on the foreign trade of precision casting and precision machining products.

Aug 2014
Qingdao OS Machinery Co., Ltd.

Established, specializing in OEM/ODM production and machining of stainless steel, carbon steel and alloy steel machinery parts.

Feb 2018
Qingdao Excellent Metal Products Co., Ltd.

R&D trial-production and small-batch manufacturing base founded.

Sep 2023
Qingdao OS Intelligent Technology Co., Ltd.

Group headquarters, overseas marketing hub and R&D / precision finishing center established.

June 2024
Liaoning Excellent Metal Products Co., Ltd.

Northern mass-production base founded; fully automated silica sol casting lines commissioned.

TRADE WINDOW

Import & Export Window

For operational convenience, the group handles import/export through Qingdao Vanguard Golden Relation Co., Ltd. — customs, logistics and foreign-trade settlement, all in one window.

You Are Welcome to Visit Our Factories

We sincerely welcome your visit to discuss a win-win future together. Give us one chance, let us show you QDOS.

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