Materials and casting weights for different sand casting methods | |||
Sand casting method | Green sand casting | Resin sand casing | Water glass sand casting |
Materials used in different method | Grey iron,Ductile iron, Aluminum and copper alloy | Grey iron,Ductile iron, Carbon steel,Alloy steel, Stainless steel | Carbon steel,Alloy steel, Stainless steel |
Weight range | 0.05-15000Kg | 0.5-18000Kg | 5-20000Kg |
Qingdao Donrex Co., Ltd
Professional & Diligent
Keeping The Customers in mind!
DONREX, located in the beautiful city of Qingdao in China, is a professional, multi-facet manufacturer with its remarkable expertise in design, production, and export services. With the concept of "Professional & Diligent", DONREX is committed to be the leader of OEM&ODM metal parts and fabrication services, with Customer satisfaction, professional skills, and employee happiness, as its core values.
Established in 2005, DONREX was founded on the idea of Customer care-a people-oriented approach and continuous product improvement, which empowers the company with stable, healthy and rapid development. With a variety of mechanical standard and non-standard products manufacturing and export, our professional R & D team have the capability to meet various needs of different Customers, ranging from specification and concept development to prototyping and full-spectrum production. With rigorous and professional approach to every project, our Team studies the drawings and specifications to create precisely what the Customers need, on time and on budget. All of our Salespeople have mechanical engineering background, to provide efficient, accurate, and fast service for the Customers. This is the pride of DONREX!
Our core mission is utmost focus on Customer needs. In order to achieve this, DONREX remains heavily invested in technology, certifications, processes, inspections and quality evaluations to ensure our Customer receive the best mechanical products throughout the world.
DONREX products cover casting, forging, machining, profile extrusion and hardware rigging, etc...The portfolio breakdown is equated as follows:
· Casting, forging and stamping products: 55%
· Precise machined products: 30%
· Others (Specialty: ) 15%
We will not settle for anything less than 100% Customer satisfaction each and every time! Our products of high repute by a vast number of Customers, some of which include world-renowned brands like GE, BMW, IKEA, Wal-Mart, to name a few. We had the privilege of supplying precise machined products for China and Singapore high-speed railway project. Steel precise castings have been approved and will serve the Tokyo Olympic venues in the near future.
Customer- first, staff-oriented, honest and responsible approach is the cornerstone of who we are and what we do at DONREX, as we pursue world-class manufacturing excellence and mutually-beneficial and cooperative relationship with our Customers and Channel Partners. We greatly appreciate your time and look forward to serving you in the near future!
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