TONGZHAN INDUSTRIAL LIMITED
TONGZHAN INDUSTRIAL LIMITED
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Tailored Solutions for Efficient and Cost-Effective Electronic Component Procurement
Our electronic component procurement process is simple and efficient:
1. Requirement Confirmation: You provide the required specifications and quantities of electronic components.
2. Supplier Selection: We select suitable suppliers according to your needs and obtain quotations.
3. Quotations and negotiations: We conduct quotations and negotiations with suppliers to obtain the best prices and delivery terms.
4. Order Confirmation: Once agreed, we will confirm the purchase order and provide order details.
5. Delivery and acceptance: We oversee the delivery and acceptance process of components to ensure they meet specifications and quality requirements.
6. Inventory management: If required, we can manage inventory for you to ensure a stable supply chain.
PCB Manufacturing Parameters:
| Item | Technical Parameter |
| Layer | 2-64 |
| Thickness | 0.3-6.5mm |
| Copper Thickness | 0.3-12 oz |
| Min Mechanical Hole | 0.1mm |
| Min Laser Hole | 0.075mm |
| HDI | 1+n+1,2+n+2,3+n+3 |
| Max Aspect Ratio | 20:01 |
| Max Board Size | 650mm*1130mm |
| Min Width/Space | 2.4/2.4mil |
| Min Outline Tolerance | ±0.1mm |
| Impedance Tolerance | ±5% |
| Min PP Thickness | 0.06mm |
| Bow &Twist | ≤0.5% |
| Materials | FR4, High-Tg FR4, Rogers, Nelco, RCC, PTFE, M4, M6, TU862, TU872 |
| Surface Finished | HASL, HASL Pb Free Immersion Gold/Tin/Silver Osp, Immersion Gold+OSP |
| Special Capability | Gold Finger Plating, Peelable, Carbon ink |
Electronic Component Sourcing Introduction:
1. Assemblability
PCB products not only facilitate the standardized assembly of various components but also enable automated and large-scale mass production. In addition, the overall assembly of the PCB and various other components can also form larger components, systems, and even complete machines.
2. Maintainability
Since the components of PCB products and various components are assembled in a standardized design and large-scale production, these components are also standardized. Therefore, once the system fails, it can be replaced quickly, conveniently, and flexibly, and the work of the system can be quickly restored.
