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Product Description Technical information Engineering difficulty Remarks

Spring contact,
Electrical contact.

1. Material: Brass;
2. Surface treatment: Nickel plating;
3. Process: Progressive stamping --- Nickel plating

1. Size is small as 30*5*15 mm,
2. Structure is complex;
3. precision only accept +/-0.05mm tolerance.

1. Tooling time: 14 working days
2. Production time: 12 working days
3. Usage: security and fire prevention / Automatic remote control

Terminal connector,
Connector terminal.

1. Material: Spring steel;
2. Surface treatment: Nickel over copper plating;
3. Process: Progressive Stamping --- Heat treatment --- Nickel over copper plating

1. Usually nickel plating thickness is 3 to 5 μm, this part requires 8-10μm copper plating and 7-8μm nickel plating;
2. Should pass 24H salt spraying testing, without anti rust oil;
3. Very Elastic, side lips won't be broken after bended 90°oppositely.
4. Workable for high shear force, after soldered on PCB, won't be separated from PCB even apply 900N force.

1. Tooling time:12 working days
2. Production time: 12 working days
3. Usage: Electrical equipment / Video device / Voice controlled transmitter

Flat metal spring,
Steel spring flat.

1. Material: Spring steel;
2. Surface treatment: Zinc Plating
3. Process: Progressive Stamping --- Heat treatment --- Zinc plating

1. Shape is complex, made progressively in one stamping machine;
2. Number code are made by stamping too;
3. No deformation after the wings are flipped over 150 times when standing 120KG weight.

1. Tooling time: 14 working days
2. Production time: 12 working days
3. Usage: Switches / Air freshener / battery charger

Stainless steel spring clip,
Steel spring flat

1. Material: Stainless steel;
2. Surface treatment: None
3. Process: Progressive Stamping --- Degreasing

1. Shape should be exactly round;
2. Structure is complex;
3. precision only accept +/-0.08mm tolerance.

1. Tooling time:18 working days
2. Production time: 16 working days
3. Usage: Automotive / Energy / Aerospace

Spring flat,
Flat spring clip

1. Material: Spring steel
2. Surface treatment: None
3. Process: Progressive Stamping --- Degreasing

1. Structure and shape is complex;
2. All the 12 wings should be parallel on the horizontal vertical direction.
3. No deformation after the wings are flipped over 300 times.

1. Tooling time: 13 working days
2. Production time: 13 working days
3. Usage: Automobile / Heavy Equipment

Sheet metal enclosure ,
Sheet metal fabrication

1. Material: Aluminum
2. Surface treatment: Oil painting and silk screen
3. Process: Laser cutting and bending --- Riveting ---Brushing --- Oil painting --- Silk screen

1. Need exactly 90 degree angles in corners;
2. Matt Fine Texture, it's made manually, matt size should be symmetrical;
3. Can't paint the inside of the box;
4. Straight strictly on the edge.
5. No scratch at all.

1. Sample time: 6 working days
2. Production time: 13 working days
3. Usage: PC / Computer / Ethernet router

Aluminum metal box,
Aluminum metal fabrication,
Aluminum stamping.

1. Material: SUS and aluminum
2. Surface treatment: None and anodizing
4. Process: Stamping---Punching holes--- Anodizing

1. The aluminum enclosure has many convex and hump, easy to break if tooling is not so good;
2. Stainless steel cover has over 200 holes, meanwhile, the edge between holes are only 0.5mm; easy to break or generate burrs;
3. These two parts should assembly exactly.

1. Sample time: 7 working days
2. Production time: 13 working days
3. Usage: PC hardware and complete routing systems / network equipment / Wireless systems

SUS metal cover,
Steel metal fabrication,
Laser cut metal.

1. Material: SUS
2. Surface treatment: Brushing
4. Process: Laser cutting and bending --- Riveting ---Plant bolts --- Welding --- Brushing --- Pickling --- Laser etching

1. 3.5mm stainless steel, hard material, difficult to fabricate;
2. The part should pass 168H salt spray testing;
3. When the bolt is planted, can't be visible on the other side surface, meanwhile when standing 350N strength, the bolt won't fall off;
4. Welding and laser cutting mark should not be visible;
5. No burrs, no sharp edges, smooth feeling when touching;
6. Brushing lines should exactly be parallel, very straight and cannot be distorted;
6. After variety of manufacturing processes, final surface not allow any scratch, stamp or bumps.

1. Sample time: 8 working days
2. Production time: 14 working days
3. Usage: Smart door lock / Enclosures

Deep drawing part,
Aluminum stamping.

1. Material: Aluminum
2. Surface treatment: Sand spraying and anodizing
3. Process: Stamping and punching --- Progressive deep drawing for 8 times ---- Sand spraying and anodizing

Material thickness is only 0.5mm,diameter is only 12 mm,but depth is 80mm, very easy to break in deep drawing processes.

1. Tooling time: 18 working days
2. Production time: 16 working days
3. Usage: Medical apparatus and equipment / Chemical laboratory system

Deep drawn part,
Deep drawn stamping.

1. Material: Stainless steel
2. Surface treatment: Sand spraying and laser etching
3. Process: Stamping and punching --- deep drawing --- punching holes --- Sand spraying --- Laser etching logo

1. 3mm SUS, with 3/4 hardness, hard material, difficult to fabricate;
2. The base have more than 600 holes, edge between holes are small, combine above reason, it's easy to generate burrs, so we deburr by tooling.

1. Tooling time:17 working days
2. Production time: 16 working days
3. Usage: Electronic equipment housing / Intelligent computer motherboard assembly accessories

Aluminum heat sink,
Heat sink aluminum

1. Material: Aluminum
2. Surface treatment: None
3. Process:
Progressive Stamping

1. Material thickness is only 0.8mm, but concave depth is 55mm, very easy to break in deep drawing processes;
2. Convex Position is too close to edge, easy to break.

1. Tooling time: 15 working days
2. Production time: 13 working days
3. Usage: Computer / Integrated Circuits/
Set Top Box

Aluminum heatsink

1. Material: Aluminum
2. Surface treatment: None
3. Process:
Extrusion --- Cutting ----Drilling holes

Edge between each fin is narrow as 2mm.

1. Tooling time:16 working days
2. Production time: 14 working days
3. Usage: firmware programming / Micro Processor

Spring clamp metal,
Clamps stainless steel,
Pipe u clamp

1. Material: Stainless steel;
2. Surface treatment: None
3. Process: Progressive Stamping --- Number mark by tooling ---- Riveting --- Degreasing

1. Structure is complex;
2. Shape should be exactly round;
3. To save time and cost, both number code and riveting are made by progressive stamping

1. Tooling time: 16 working days
2. Production time: 16 working days
3. Usage: SafeAir – Drone safety system / Autonomous robot

Mounting bracket,
Stamping u bracket

1. Material: SPCC
2. Surface treatment: Oil painting
3. Process: Progressive Stamping --- Black oil painting

1. Structure is a little complex;
2. After bending, the part should be round in opposite direction, easy to break, require fantastic craft in shaping process.

1. Tooling time: 15 working days
2. Production time: 14 working days
3. Usage: security sector / Security fogging system

RF shielding case,
EMI shielding case.

1. Material: Nickel silver
2. Surface treatment: None
3. Process:
Progressive Stamping --- Riveting ---- Assembling

1. There are 36 pcs wings around the edges;
2. The base and bottom part should be assembled not tight and not loose;
3. Nickel silver is soft, this part haven't surface treatment, meanwhile scratch or mark are not acceptable;
4. Nice surface without corrosion.

1. Tooling time: 14 working days
2. Production time: 13 working days
3. Usage: Ride Vision System / Advanced Rider Assistance System for Motorcycles

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