QDOS is industry leader in castings and precision machining. Casting process is focus on investment castings and sand casting. Precision machining equipments include Vertical machining center, horizontal machining center and CNC machines. The general tolerance of machining can be 0.02mm.The precision inspection gages, tools and CMM ensure the parts' accuracy. Our products are exported to UK, Italy, German, Holland, Australia, Japan, USA and middle-east countries. QDOS means: Higher Quality, on-time Delivery, cOst savings and better Service. Firstly, Quality is very critical thing: we hold ISO quality control system to run our factory, which can ensure our products quality very well; secondly, on-time Delivery is important too: we have the ERP system to control the that; Thirdly, cOst savings: we reduce the cost by increasing of efficiency and reducing labor intensity, by this, our customers can hold ability to improve their products and clients. Fourthly, better Service, which is eternal topic for us, we must do service as better as possible. Finally, During past more than 10 years, we specialized at investment casting and machining, we accumulate much more experience for OEM products. By this, we can do better and win-win cooperation with our clients in longer, deeper and stronger term.

Picture	Certification Name	Certified By	Business Scope	Available Date --- Expired Date	Verified
	ISO9001	SAILWAY	production and sale of machinery parts	2019-01-29 ~ 2022-01-29	Verified

Business Type	Manufacturer, Trading Company	Country / Region	Shandong, China
Main Products	Custom Fabrication Services (Stainless Steel Gearbox, Bearing Seat, Turbine Housing And Other Stainless Steel Products, Casting Products)	Ownership	Private Owner
Total Employees	51 - 100 People	Total Annual Revenue	USD 2, 000, 000
Year Established	2014