1. Inquiry from customer, with a design or thought, drawing, sketch and so on. 2. Quotation from our team, according to customer’s requirement, response within 24hours. 3. Drawing confirmation. Before starting, drawing is key to both. Our team will make tooling according to drawings, with 2D and 3D drawing appreciated. 4. First article sent to customer to approve. 5. Mass-production start after sample released. 6. Inspection report to make sure the quality meet first article. 7. Delivery prepared as customers’ request.
Our Quality Control Standards
1
First Article Report, to Measure All the Sizes. According to Drawings and Visual Inspection
2
An AQL 1.0 Report for Mass Production
3
Material certificate supplied to the customer to ensure chemical composition and physical properties
4
Special test reports by equipment, such as hardness tests, as shown below
Besides We are Approved by
ISO9001 Amfori / BSCI
Inspection Equipment to Support Quality Control
The below equipments help us to control the quality well.
Spectrograph
Spectrograph
The equipment help us to analysis the chemical composition . It is pretty precise to check Non metallic elements and metallic elements . We usually to check the castings , for steel and aluminum .
Portable Spectrum
Portable Spectrum
The equipment is light , so it is easy to take anywhere to check the chemical composition. It can only check metallic elements. To check any kind of metal parts.
Tensile Tester
Tensile Tester
The equipment is for check tensile strength , yield strength , Elongation . Usually we check the test bar of castings , as well as fasteners.
Hardness Tester
Hardness Tester
The equipments is to check the hardness of the metal parts . Usually we check the items after heat treatment . ie. A356-T6 in HB 75 above. 42CrMo in HRC45 above
Thread Gauge
Thread Gauge
The equipments make sure the male thread and female thread correct. Thread is the base of industry.
Depth Dial Indicator
Depth Dial Indicator
This equipment help to check the height/depth precisely.
Image Measuring Instrument
Image Measuring Instrument
The equipment is to check the hard checked size, radius, location and so on. It enlarges the shape and show clear in the computer.
CMM
CMM
The equipment can measure the dimensions of a machine/tool parts using coordinate technology , include the height, width and depth in the X, Y, and Z axis. measure the target and record the measured data.
Layer Thickness Tester
Layer Thickness Tester
This equipment help to test the coating thickness, ie. painting thickness, hot dip zinc plated thickness and so on
Magnaflux
Magnaflux
The equipment help to check if there is crack in inside of forginig.
Tensile Strength Test Bar
Tensile Strength Test Bar
Standard test bar, object of tensile tester.
V-Notch Bar
V-Notch Bar
The bar is for Impact Testing
Packing & Shipping
Packed in cartons. Packed on pallets. Packed in wooden cases. Packed in wooden cases, wrapped with plastic film, then placed into containers.
Delivery
Express services like DHL, UPS, FedEx, etc., usually for shipments weighing less than 200 kg. Air cargo. Sea shippment. Train shippment.
With so many years' hard work and development, Ningbo Joyo Metal has built a competitive supply chain in the market to serve the distinguished customers all over the world.
About Us
Your partner for customized metal components/parts manufacturing