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By certification 
Pump Investment casting
Name: pump
Description:
Casting Process: Water glass process and silica sol casting of lost wax investment casting
Standard: ASTM, AISI, DIN, BS and JIS
Max Casting Size: 70mm
Casting Weight: 1~80Kg
Dimension Tolerance: CT7
Surface Roughness: Ra3.2~12.5
Productivity: 1000 tons per year
1) How long has your company done in this industry?
Over 20 years specializing in producing diamond tools.
2) Do you provide samples? Is it free or extra?
Yes, we could offer samples, but you should pay the sample cost and according to the details and the freight by yourself.
3) Can you make OEM?
Yes, we can make the OEM for you if your quantity is very large. And customer logo, color and so on should be provided by the customer.
http://www.hb-castings.com/
