Quality Control - ZHEJIANG JINGGONG INTELLIGENT BUILDING MATERIAL EQUIPMENT CO., LTD.

Quality Control Process

Incoming Material Inspection

Coating detector: for parts surface coating thickness measurement,

Non-destructive testing instrument: for metal internal structure testing,

Three coordinates: for complex parts, precision parts size measurement;

Micrometer: for parts size testing,

Hardness ruler: for parts material hardness testing;

Angle ruler: mainly used for product parts angle measurement;

Percentile: mainly used for parts jitter and concentricity measurement

Input of purchases, outsourcings, customer supplies Error of name, number or specification Warehouse check Contact supplier to return Correct of name,number or specification Moved to area to be inspected Jinggong checklist for arrivals Quality management Contact supplier to return Failed inspection Passed inspection Unqualified marking Qualified marking Moved to unqualified area Put in storage

Production Process Inspection

Products assembly , warehouse material Products assembly Self - inspection / casual inspection / routing inspection during production Production appearance inspection Production improvement Finished product Unqualified marking Qualified marking Production storage Products (semi-finished products) unqualified Products (semi-finished products) qualified Finished product inspection Reproduction confirmation Godown entry Unqualified marking Qualified marking Unqualified Qualified

Out-going Product Inspection

Level gauge: used for product commissioning and installation to ensure that the product base is on the same horizontal plane

Bill of lading Warehouse readiness Out of stock Unqualified product handling Outgoing inspection Delivery

Inspection Equipment

Chromium layer tester (used for measuring the chromium layer thickness on the surface of parts)

Coordinate measuring machine(Used for complex parts, precision parts size measurement)

Dial indicator( used for measuring the pulsation and concentricity of parts)

Hardness tester (Richter hardness tester, Rockwell hardness tester, Shaw hardness tester) used for testing the hardness of parts and materials

Height ruler (with dial indicator)

Micrometers (outside and inside micrometers) used for inspecting the dimensions of parts

Roughness tester(Used for measuring the surface roughness of various machined parts)

Shaft tester(used for measuring radial runout error, roundness, concentricity, shape and position error, surface roughness and other items of shaft parts)

Ultrasonic durometer(Used for measuring the hardness of the parts that cannot be measured by the special workpiece and the table durometer)

X-ray nondestructive flaw detector(Used for detect surface and internal defects of metallic materials