SENLAN has strict quality control system from the raw material incoming to finished products outgoing. Our mould parts are guaranteed high precision,high polished and long service life.

Below are our main quality inspection items in the whole production process:
Material incoming: 100% inspection

Rough Finished:100% inspetion
Heat treatment: random inspection
Face grinding: 100% inspection
Center-less cylindrical grinding: 100% inspection
OD/ID grinding: 100% inspection

EDM:100% inspection

Wire-Cutting:100% inspection
Packing: the final 100% inspection before the formal shipment