fxpcb contract assembly china

China Smd Components Assembly Quote Online

One of the leading areas of FXPCB activity is the installation of smd components on the board. We work quickly and efficiently, providing contract assembly services for electronics and printed components. This means that we carry out a full cycle of work from the assembly of electronic products to protective varnishing. As a result of cooperation, the customer receives a finished printed circuit board – processed and checked for errors.


Our production facilities allow us to produce any volume of printed circuit boards from piece samples to large lots. Installation of smd components is usually used when fulfilling orders of medium and large volumes. This makes it possible to install elements with high speed and accuracy.

Installing smd components with contract assembly

What sets us apart from other companies?

Well-coordinated work of the design department – the customer provides the terms of reference, according to which the original project is drawn up. At the end, electronic devices are tested and controlled by an artificial intelligence system.

Development of non-standard turnkey products and preparation of a complete set of documentation. Making complex electrical appliances, adding additional services is not a problem for our specialists.

High-tech equipment – the installation of smd components on the board is carried out on surface-mounted machines that can produce up to 42 thousand elements per hour.

Optimal price-quality ratio – we follow the soldering technology, take into account the features of the components and examine the boards by optical means. We approach our obligations responsibly, while setting adequate prices.

Implemented quality management system to improve the reliability and safety of products, improve product quality.

Installing smd components with contract assembly

When ordering the installation of smd components in FXPCB, you get high-quality products made on modern equipment and checked by a special system for defects.


A printed circuit board is a plate with electrical insulation, where electronic components are placed, the connection between which is provided by functional units and thin electrically conductive strips. The printed circuit board itself performs two important functions: it is the carrier of a multi-component base and connects these elements using electrical signals.

The installation of smd components consists of a sequential scheme of actions: solder paste is applied to the board area, then the elements are automatically mounted, reflowed in special furnaces and flux residues are removed. The absence of PCB defects affects the quality of the finished product, so we pay special attention to this. All shortcomings are checked in accordance with the international standard of for printed circuit boards.

PCB defects are divided into:

Visible – which are visible during visual inspection? These include scratches, dents, and wrong sizes.

Hidden – they are not visible, but they will manifest themselves during the operation of the device. These can be microcracks, sagging, and poor connection between contacts.


An important point when installing smd components on a board is to control and check the finished product for errors and malfunctions. It is proven products that will be distinguished by durability and delight the customer with their quality. Our company provides several stages of control:

Incoming control is carried out after the components arrive at the warehouse. The boards are checked for compliance with the documentation, they are checked for size and dimensions, and they look at the quality and volume of the contact area. Also, electrical components are looked at for compliance with the marking, and sometimes they are checked for performance.

The installation of smd components necessarily takes place with inter-operational control between the assembly stages. With the help of optical devices, visual control is carried out after applying solder paste to stencils and installing smd components on boards.

After soldering the elements in a convection oven, they undergo quality control using a robotic optical inspection device – Mirtec Vision Inspector MV-3/7. Automatic inspection evaluates the degree of soldering, the correct location of the components. Sometimes microscopes are used, which allows you to cover every millimeter of the product.

The final stage of installing smd components on the board is the input control of the electrical appliance. The product undergoes full functional testing and then transferred to the warehouse, or delivered to the customer.

Installing smd components with contract assembly

Such multi-stage control allows reducing the presence of hidden and visual defects to zero. To improve the quality of products, testing is added – the customer develops the methodology and describes in detail all the stages.