QINGDAO ANTAI IMPORT AND EXPORT CO.,LTD

 

Antai Specializes in the manufacture and supply of high quality cast, materials vary from gray iron, ductile iron, steel.
To benefit from our strong OEM capabilities, we can also make and design OEM parts according to customer’s drawings or samples.
As a professional supply chain of flow control products, Antai offer butterfly valve, ball valve, gate valve, globe valve, check valve, and strainers.
Our valves are export-oriented and follows the standard of GB, AWWA, DIN, BS, JIS etc. and also we can make the products according to customer’s request. 
The products are widely used in the fields of Tap Water, Petrochemical industry, metallurgy, water and electricity, etc.
We aim to be the best at delivering severe service solutions to our customers. We value feedback from our customers and listen objectively in order to evolve into the type of supplier that will partner with you to achieve optimum results.
In order to ensure the quality of the orders, our independent QC members to carry out strict inspection at each stage. All of our operations are strictly compliant with ISO 9001:2015 guidelines.

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Our manufacture processes:


Sand Casting: Resin Sand Casting and Green Sand Casting, the material will be grey iron, ductile iron, aluminum, copper, carbon steel and stainless steel. Unit weight range from 0.3kg to 80kg.
Investment Casting/Precision Casting: Water Glass(sodium silicate lost wax) or Silica Sol process; or Colloidal Silica-sodium Silicate Compound, the material will be grey iron, ductile iron, stainless steel and carbon steel. Unit weight range from 0.02kg to 15kg.
Die-casting: Including hot chamber die-casting and cold chamber die-casting, suitable for aluminum, zinc and copper, etc.
Other process: such as permanent mold casting, lost foam casting is also available.