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.
HQ engages the customer and converts requirements into solutions & quotes
Qingdao base: prototypes, process validation, small-batch transition
Liaoning base: fully automated lines produce casting blanks at volume
Machining, assembly and testing completed before shipment
Founded, focusing on the foreign trade of precision casting and precision machining products.
Established, specializing in OEM/ODM production and machining of stainless steel, carbon steel and alloy steel machinery parts.
R&D trial-production and small-batch manufacturing base founded.
Group headquarters, overseas marketing hub and R&D / precision finishing center established.
Northern mass-production base founded; fully automated silica sol casting lines commissioned.
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.
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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