About Us
About Us
About Us
About Us
11

Years of experience

About Us

Xianglong(shenzhen)
  Xianglong (Shenzhen) Electronic Technology Co., Ltd. was established in 2010, with a factory area of 30,00 square meters,200 employees, located in Shenzhen, Guangdong, China. Our company is mainly engaged in the development, design, production and assembly of PCB. Our products are used in communication equipment, medical equipment, automotive electronics, smart home and security equipment. Provide customers with high-quality products , fast and on-time delivery services. And have professional technical consultant to provide you with reply on your doubt and problem at any time. We have advanced technology and equipment, from design review to manufacturing, to quality control and testing. You can rely on our professional manufacturing and sales team with more than 10 years of experience in the electronics industry to produce your products. Leave it to us. 85% of our products are sold overseas, exported to Europe, America, Asia and other countries. If you want to know more about us and what we can do to help solve your specific PCB and PCBA assembly needs, please contact us instant messenger or call (+86)0755-2322 6243 free of charge. We are warmly and patiently to communicate with you, win your business by demonstrating our capabilities, and by providing reliable, fair-cost and long-term partnerships. Hope you can become our important customer.
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More than
More than
100
+
Employes
Export to The World
Export to The World
200
+
Countries
The factory area
The factory area
3000
square meters
Our Advantage

XiangLong (Shenzhen) Electronic Technology Co., Ltd. can provides EMS, including but not limited to the following services, PCB design, PCB layout, PCB prototype, BOM fabrication , PCB inspection and PCB assembly.

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Share good times, valuable market information and industry information, we grow together. Our company is willing to listen to your opinions and suggestions wholeheartedly.

Latest product air fryer PCBA
Jan 19, 2022 Latest product air fryer PCBA
With the publicity of the Internet, the hazards of fried food have penetrated into human resources, such as trans fatty acids, leavening agents and pigments, cardiovascular disease, diabetes, fatty liver, inhibition of infant growth and development, carcinogens, etc. seriously affect human health. Then there is a product called an air fryer, which uses high-speed air circulation technology to make 80% more delicious French fries than traditional electric fryers! The unique combination of circulating hot air and oven components allows you to fry a variety of delicious foods, snacks, seafood and more quickly and easily. Because frying only uses air, it produces less odor and steam than traditional frying, and is easy to clean for everyday use, safe and economical! What are the benefits of this product? 1. Less oil The air fryer uses the principle of high-speed circulation of air to turn the air into "oil", quickly heats the crispy food, and makes delicious food similar to frying. Foods like meat, seafood, and marinated fries make great tasting, delicious meals without the need for oil. If the food itself does not contain oil, such as fresh vegetables and French fries, add a tablespoon of oil for a traditional frying flavor. 2. The air fryer is easy to clean. Allow the air fryer to cool down before cleaning it. Removable drawer food basket and fryer with non-stick coating. Do not use metal cookware or cleaning tools to avoid damaging the air fryer's non-stick coating. 3. The air fryer does not need oil to fry food like traditional fried food, the oil of the food itself will fall into the fryer, which can reduce the oil by up to 80%. The less you eat, the healthier your body will be. 4. The air fryer has a thermostat of up to 200 degrees. It is necessary to set the time to avoid the situation that traditional frying can cause the food to scorch or even catch fire due to the high temperature of the oil. 5. The air fryer does not need to wait for a long time when cooking food, and different time can be set according to different food. You don't have to watch it all the time, it will automatically remind you at a certain time.
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How to reduce high-speed PCB crosstalk?
Nov 27, 2021 How to reduce high-speed PCB crosstalk?
The influence of crosstalk in PCBs has always existed, especially in some high-speed and high-density PCBs. So how should we reduce crosstalk? The most basic thing is to make the coupling between the interfering network and the interfered network smaller, so it is almost impossible to completely avoid it in the design. When designing, we can only consider that it will not affect its performance, and choose the appropriate method to minimize it. Mainly consider from the following aspects: 1. Maximize the distance between transmission lines when wiring; or reduce the parallel length between adjacent transmission lines as much as possible, and try to run between different layers. 2. Because the wiring directions of two adjacent signal layers are vertical, try to avoid parallel wiring and reduce crosstalk between layers. 3. Under the condition of ensuring signal timing, try to choose devices with low conversion speed as much as possible to slow down the rate of change of electric and magnetic fields, thereby reducing crosstalk. 4. Since the surface layer has only one reference plane, the electric field coupling of the surface layer wiring is stronger than that of the middle layer, so the signal lines sensitive to crosstalk should be distributed in the inner layer as much as possible.
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Importance of PCB in technology development
Nov 19, 2021 Importance of PCB in technology development
PCB is an indispensable pillar in electronic products. Nowadays, electronic equipment requires high performance, high speed, and thinness. As an indispensable part of electronic products, it is also the most critical technology for high-end electronic equipment. Including rigidity, flexibility, rigidity and flexibility, as well as multi-layer boards and module substrates for integrated circuit packaging substrates, they have made great contributions to high-end electronic equipment. Printed circuit boards play an important role in the electronics industry. The importance of PCB cannot be underestimated. Looking around the room you are in, you may find many printed circuit boards. When you walk in a crowd, everyone has an electronic device with multiple circuit boards. Such as smart phones and smart watches. These products have improved society and life. At the same time, when developing new electronic products and putting them on the market, the design needs to be built on the PCB. The circuit board and its components form the backbone of the electronic system. The printed circuit board is also very powerful and requires careful design to ensure functional safety. The specific design of products with embedded computing functions or wireless functions requires unique design practices to ensure the correct transmission of data and signals on the entire printed circuit board. Today, many consumer products need to meet these requirements. Consumer devices are packing more digital and analog components into smaller packages with multiple functions. The need to achieve these is inseparable from our PCB.
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How to adjust AOI equipment?
Nov 04, 2021 How to adjust AOI equipment?
The PCB AOI equipment can be "adjusted" according to the needs of the assembled circuit board. For example, replacement parts may be marked as defective because their markings and shapes do not meet the standard. However, AOI equipment can be adjusted and programmed to accept specific replacement parts, which will not be marked on the following printed circuit boards. This is the procedure is manually adjusted, what is acceptable and what is unacceptable. The unacceptable part of the test will be fed back to our operators. AOI equipment can also adjust some unacceptable problems into the program, and capture defects that were previously difficult to find through visual inspection. Manual inspection requires technicians to check every part, mark and solder joint on the circuit board, which may involve thousands of details of a complex circuit board. With so many details to check, it is easy to understand why imperfections are missed. AOI equipment can quickly check the qualified and unqualified positions after adjusting the programming.
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Why use automatic optical inspection assembly
Oct 22, 2021 Why use automatic optical inspection assembly
Automatic optical inspection equipment is already a must in every electronic factory, and it is constantly being enhanced and updated to improve its capabilities. This inspection equipment is used in many industries, including printed circuit board manufacturing, bare board inspection, solder paste printing, and assembly. For PCB assembly, the AOI system will check the placement and soldering of the components, and feedback potential problems in the test to our operators. From wrong parts to bad welded connections. The automatic optical inspection (AOI) system will check your PCBA. The system can quickly evaluate thousands of details that cannot be captured by the naked eye, and feedback any detected problems to the operator. AOI PCB inspection equipment relies on high-resolution camera systems and different lighting sources, such as fluorescent, LED, ultraviolet, and infrared, to capture a series of images. These images are processed by the system, which is programmed to inspect different details of the assembled board. The AOI system will scan each assembly board and compare these images with the images of the standard board stored in the file. When it finds inconsistencies with the standard board, it will mark these areas as possible defects so that technicians can inspect them in more detail. This will better ensure product quality.
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