Product Quality Assurance

Only 100% Brand New And Original.

All components of WJSEM come from the original manufacturer or its authorized agents.

Strict Anti-Counterfeiting And Safe Purchasing

In recent years, the electronic component industry has frequently seen counterfeit components flowing into the supply chain. WJSEM has taken all possible preventive measures to reassure customers.
WJSEM has strict anti-counterfeiting control measures to ensure that customers are provided with original supply and quality guaranteed components.


By purchasing components through WJSEM, Customers can get the following guarantees:

  • All products come directly from the original manufacturer or its authorized channels.
  • All Products have been stored in accordance with industry quality standards.
  • All components come with original labels and packaging.
  • All components can be provided with inspection report.

How to Request a Quote

Please contact us directy, And tell us the part number and quantity you need,

We will provide the latest preferential prices for your reference.

In addition to the products on the website, We also supply various other electronic components,

Such as MCU, FPGA, Sensors, RF transistors, MMIC, Relays, Capacitors, Resistors, Modules, etc.

You are welcome to send us the list of components you need, And we will provide you with a quote as soon as possible.

About Discount

If you need more quantity, you can get a more favorable price.

Please contact us directly, and we will provide you with the latest preferential prices.


In addition, due to the high handling fee of PayPal, if you support payment by T/T or Alipay or Western Union, we can also provide an additional 5% discount

About Payment Methods

The payment methods on the WJSEM website only support Paypal and credit cards.

If you want to pay by other methods, such as T/T or Western Union, please contact us directly.

Shipping Method

We will choose the most efficient shipping method from DHL/Fedex/UPS according to the delivery address. If you require a specific shipping method, please contact us directly.
If you have an account with any major shipping company, please contact us, and we will deduct the shipping fee from your order.

Shipping Cost

Due to the low weight of electronic components, the shipping cost at checkout on the WJSEM website is set to the minimum weight only.
We make every effort to keep the shipping cost low, if you still feel that the shipping cost is expensive, you can take some measures to reduce the shipping cost:

  • Use your own shipping account (if you have a DHL/Fedex/UPS account). Contact us and ask us to arrange this. we will deduct the shipping costs from the order.
  • If you have a shipping agent in China, we can send the package to your forwarder and do not charge shipping.
  • Due to the high handling fee of paying through paypal, if you can pay through other methods, such as T/T or Alipay or Western Union, please contact us and we will provide you with an additional 5% discount.
  • The website may estimate the shipping cost incorrectly, for such orders, please ask us to try to provide you with a better quote.

Shipping Time

We usually ship within 1-2 days after receiving payment.
If there are special circumstances, we will contact you as soon as possible.

About shipping days
We are located in Shenzhen, China. The shipping time to different countries is different. Please refer to the arrival time shown on the checkout page

Shipment Tracking

We will send you the freight tracking number after shipment, and you can check the logistics track on the transportation company's website.
Or check the logistics tracking number on the order page on the WJSEM website.

Customs Clearance and Taxes

You need to pay import duties and taxes, which are levied after the package arrives in your country.

We cannot control these fees and cannot predict the specific amount of these fees. Customs policies vary greatly from country to country.

When the goods arrive at the customs, the courier will contact you. Please clear customs and pay the duties in time to avoid the goods being returned.

About Returns

If there are any problems with your order, please notify us immediately. We will do our best to resolve the problem.
If within 30 days of receiving your order, you decide that you no longer want the product, please contact us immediately by email or using our feedback form. Do not send the product back to us without first contacting us and receiving return instructions.
Product return shipping costs are at your expense. Damaged merchandise cannot be returned.

Any Other Questions

If you have any other questions, please contact us directly,

We will respond to you as soon as possible.