no harm toy steel balls from China manufacturer - Qingdao Senchuan Trade Co,Ltd

Product Detail

Means of Transport: Ocean,

Packing: according to customer's req...

Production Capacity: 2,000,000 Pcs/month

Delivery Date: as customer requirement

high-quality
customized
high precision
long duration

1) Material: steel, chrome steel , injection molding steel , stainless steel, aluminum alloy, ceramics etc.

2) A number of certification : ISO 9001-2008 quality system, ROHS , SGS .

3) Main equipments : ball crusher , lapping machine , grading machine , packaging cleaner ,.

Checkout equipments : surface roughness measuring instrument , roundness measuring equipment , Vickers , vibration meter , elemental analyzer .

4) Drawing operation: PDF, Auto CAD,E-Drawing, Pro/Engineer, SolidWorks, UG. etc.

5)Accord with a standard :ASTM , ANSI , DIN , BS , AS , JIS, ISO .

Detailed Descriptions
Type :	Steel ball
Punching range :	Diameter 0.5-12.75mm
Manufacturing technique:	Ballembryo forming - to ring band - coarse grinding - soft grinding - heattreatment - ball embryo forming – light ball - hard ground - fine lapping -super lapping
Tolerance :	0.002mm
Testingequipmen	Verniercaliper , Micrometer,projector, coordinate measurement machine, height gauge, hardness tester,element analysis machine, plating scale thickness tester, pass check gauge ,Angle ruler, plug gauge, radius gauge, roughness tester, salt spray testingmachine .
OEM service :	According to customer's drawings or samples
QC system :	100% inspection before shipment
Packaging :	1)Dry packing and refresh oil packing. 2)As per customized specifications.