(Firstly)---Raw materials: Inspecting carefully raw materials before entering warehouse according to industry standard. (Secondly)---Component: Testing every component dimension,precision,hardness,backlash,balance,surface smoothness level etc. (Thirdly)---Semi-finished products: Inspecting noise,heatment,rated output torque,bearing capacity of high pressure,oil leakage under 48 hours’function. (Finally)---Finished products: 100% Checking appearance,nameplate,specification brochure,inner and outer package before delivery.
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