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.

PCB material composition
Mar 30, 2022 PCB material composition
The main material used to manufacture PCB (Printed Circuit Board) is very important. The properties of the material in terms of temperature resistance, adhesion, tensile strength, flexibility, dielectric strength, dielectric constant and many other physical, electrical and thermal factors must be considered. The performance and level of integration of a PCB is entirely dependent on the materials used to manufacture the PCB. FR-4 is made of fiberglass, also known as FR4, the letters FR stand for "flame retardant". This substrate layer provides a solid foundation for the PCB, although the thickness will vary depending on the application of a given board. Copper Clad Laminate (CCL) is a product made of wood pulp paper or glass fiber cloth as reinforcement material, impregnated with resin, single-sided or double-sided copper-clad foil, and hot pressed. Classification criteria Material reinforcement Material PF resins (XPC, FR1, FR2) PF resins (XPC, FR1, FR2) Epoxy resin (FE-3) polyester resin Epoxy resin (FE-3) Epoxy resin (FR4, FR5) Composite Epoxy (CEM) / Laminated multi-layer base class / Special material base class BT、PI、PPO、MS flammable Fireproof UL94-VO、UL94-V1 Non-fireproof UL-94-HB CCL performance CCL with general performance / Low dielectric constant copper clad laminate / High heat resistant copper clad laminate / CCL with low thermal expansion coefficient /
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Supply shortages and solutions for electronic components in 2022
Mar 22, 2022 Supply shortages and solutions for electronic components in 2022
From 2020 to 2022, the supply of electronic components will be affected to some extent. The supply time of many components has begun to lengthen, and some cannot even be purchased, especially the supply of chips, and even the price of chips in the spot market has even appeared at one price per day. We need to choose the right supply partner and plan ahead. We generally want to choose the right partner to reduce these risks. An excellent partner needs to analyze risky materials according to market changes and specific projects of end customers, and provide customers with suggestions on how to deal with material supply risks, such as the price increase and delivery of materials such as chips, crystal oscillators, and LCDs this year. Goods are tight. If it is a long-term cooperative customer: Regular stocking when we know supply risks are starting to appear in the market: Based on customer orders and forecasts, customers are regularly provided with risk BOMs and suggested stockpiling lists. With the consent of the client, prepare materials individually or on a regular basis, make plans in advance, and avoid risks. To ensure that customers can ship normally.
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What are the components of PCBA?
Mar 08, 2022 What are the components of PCBA?
Components are similar to the skeleton of a PCB, acting as its basic structure - then components are vital organs. Each has a different function. Depending on the device or electronics the PCB is designed for, different circuits will require different components. These assemblies can consist of a variety of electronic components. Some common PCB components include: Resistor: Resistor is an electronic component with resistive properties and is one of the most widely used components in PCBA processing. Resistors are divided into fixed resistors and variable resistors (potentiometers), which play the roles of voltage divider, current shunt and current limiting in the circuit. Capacitor: It is a component that stores electrical energy and plays the role of coupling, filtering, DC blocking and tuning in electronic circuits. Inductive coil: Inductive coil is referred to as inductance, which has the function of storing magnetic energy. Inductance coils are usually composed of skeleton, winding, shield, magnetic core, etc. Crystal diode: Crystal diode (ie semiconductor diode, hereinafter referred to as diode) is made of a PN junction, electrode leads and an external sealed tube, which has unidirectional conduction characteristics. Chip: Can control everything. Although the cost of designing and developing a complex integrated circuit is very high, the cost per integrated circuit is minimized when distributed over products, often in the millions. The performance of integrated circuits is high because the small size brings short paths, enabling low-power logic circuits to be applied at fast switching speeds.
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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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Top 10 PCB assembly manufacturers in Shenzhen
Mar 30, 2022 Top 10 PCB assembly manufacturers in Shenzhen
The need for smart electronics has been rising in the past few years. More and more people are using space-saving and easy-to-carry electronics products, which leads to a higher demand for PCBs. With this increase in demand, manufacturers have had to improve the precision of production by creating new ways to the production of compact electronic devices. We will show you 10 of the best China PCB manufacturers that are currently producing electronics! 1. Shenzhen Topband Co., Ltd Shenzhen Topband Co., Ltd. Founded in 1996, has become the world's leading provider of intelligent control solutions, is the pioneer of the household appliances intelligent control subdivision industry, after long-term accumulation, precipitation, and continuous investment, formed a complete technology and product system, with a high level of R & D and design capabilities. 2. Shenzhen H&T Intelligent Control Co., Ltd. Shenzhen H&T Intelligent Control Co., Ltd. Founded in 1999, mainly engaged in intelligent controller research, development, design, software services, manufacturing, sales and providing professional solutions, the company to technological innovation as the core competitiveness, is the intelligent controller enterprises. 3. COMPUTIME GROUP LIMITED COMPUTIME GROUP LIMITED. Founded in 1974, it is a manufacturing company that develops and delivers innovative technology solutions, good at end-to-end manufacturing solutions for its customers, with a focus on electronic design, which has become synonymous with quality manufacturing, innovative design, R&D excellence, and solution-driven mentality. 4. Xianglong (Shenzhen) Electronic Technology Co., Ltd. Xianglong (Shenzhen) Electronic Technology Co., Ltd. Founded in 2010, it is mainly engaged in the development, design, manufacture, sales, and provision of professional solutions for PCBs. The intelligent controller has been widely used in household appliances, power tools, garden tools, switching power supply, personal care, industrial control, with advanced technology and equipment, professional technical team, to provide customers with quality products, fast and punctual delivery services. 5. Shenzhen Bestek Technology Co., Ltd. Shenzhen Bestek Technology Co., Ltd.Founded in 2010, is a company specializing in intelligent controllers and intelligent products research and development, the company's products are widely used in the field of power tools, smart homes, automotive motors, and other fields of expansion. 6. ORIENTAL FAST ASSEMBLY LTD ORIENTAL FASTASSEMBLY LTD. Founded in 1997, it is one of the earliest enterprises engaged in the research and development, manufacturing, and sales of household appliance controllers in China. After more than ten years of rapid development, the main products cover a variety of white goods types, auxiliary products for switching power supply products, high-efficiency lighting products, RFID products, equipment controller products, and so on. 7. Shenzhen Yito...
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