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Quality and After-sale Assurance

Our company has a modern scientific research center, advanced production equipment and industry talents. Through continuous innovation, it has always been in the leading position in the shot blasting machine industry. The KNNJOO team continues to meet the market's demand for shot blasting machines through joint efforts.

We promises that the name, model, specification and quantity of the equipment comply with the technical agreement. Guarantee that the equipment is excellent in craftsmanship, free from defects in design, materials, and workmanship, and meet customer needs.

we will provide service on installation and commissioning , no worry about after sales.

All equipment is delivered after passing the quality inspection and debugging.

In order to provide you the suitable machine , pls offer below message for us

》What is the workpiece? What material does it made of? and shape ?
》The Max. Length/Width/Height of the workpiece
》The Max./Min.Weight of the workpiece 
》The output of blasting ( how many tons or pcs per day) 
》The power supply ( China :380V, 3PH, 50HZ)  
》Better to send us the workpiece photo or drawing.

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