VGR--Qingdao Vanguard Golden Relation Co., Ltd.
QDVGR always is committed to QDOS: Higher Quality, on-time Delivery, cOst savings and better Service. During more than 10 years specialized at investment casting and machining, we accumulate much more experience for OEM products. By this, we can do better and win-win for long term.
QDVGR is one professional manufacturer for investment castings, precision castings, middle-temperature green-wax silica-sol castings, low-temperature sodium silicate white wax castings, valves parts, pump parts and assembly products and ...
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