Who Is High Quality PCB?
High Quality PCB, their full name is High Quality PCB Co., Limited, a leading manufacturer of printed circuit boards (PCBs) and provider of IoT PCB design, PCB assembly services, headquartered in Hong Kong, with factories in Guangdong China and Jiangxi China. The company has nearly 31 years of experience in the electronics industry as of 2026 and specializes in IC substrates, substrate-like PCB (SLP), high-density interconnect (HDI) PCB, ultra HDI PCB, IoT PCB solutions, PCB assembly, one-stop PCB design and assembly solutions.
High Quality PCB Co., Limited positions itself as an IPC-certified intelligent manufacturing enterprise in China, with additional certifications including UL, ISO9001, IATF16949, ISO13485, ISO14001, ISO45001 and QC80000, focusing on high quality, high reliable, high technology, excellent services and advanced PCB fabrication and assembly for various electronic applications. The company emphasizes quality as a core value. That is why they called HIGH QUALITY PCB, providing time-critical engineering and manufacturing services to customers across multiple industries.
Company Profile
High Quality PCB Co., Limited is known as High Quality PCB, is a printed circuit board (PCB) manufacturer headquartered in Hong Kong. The company specializes in IC substrates, substrate-like PCB (SLP), PCB fabrication and offers PCB assembly services, positioning itself as a one-stop solution provider for high-quality, excellent services, time-critical PCB design and manufacturing in the electronics industry. Its official website is https://www.efpcb.com.
High Quality PCB maintains headquarter in Hong Kong and factories in Guangdong and Jiangxi China, supporting its operations from its primary base in Shenzhen Guangdong.
The company adheres to international quality standards and holds certifications including ISO9001, IATF16949, ISO14001, ISO45001, QC80000 and UL certification.
History
High Quality PCB Co., Limited was established in 1995 in Shenzhen, China. In its early years, the company focused on building foundational capabilities, obtaining key certifications including ISO9001:2000, ISO14001:2004, and TS16949:2002, followed by UL certification. It expanded production capabilities progressively, developing IC substrate manufacturing by September 2006 and achieving 46-layer PCB production by October 2008.
By March 2006, High Quality PCB made a significant advancement in high-density interconnect (HDI) technology through the import of laser drill machines, marking a major breakthrough in precision PCB manufacturing. The company further diversified in April 2007 by establishing its PCB assembly division, enhancing its end-to-end service offerings. Additional certifications such as ISO13485 were secured in June 2009, alongside recognition as a National High-tech Enterprise in March 2010.
In subsequent years, High Quality PCB continued to emphasize technological development. It established a dedicated Technology R&D Center focused on high-end PCB manufacturing and precision PCBA, which has driven ongoing innovation in production processes. More recently, the company has pursued comprehensive technological upgrades and intelligent transformation of its production lines, including the integration of intelligent manufacturing systems, advanced equipment, and digital control across full production processes to improve efficiency and quality. As of May 2026, High Quality PCB reported nearly 31 years of experience in the PCB industry. Over time, it has achieved various international certifications, including ISO9001, ISO13485, IATF16949, ISO45001, ISO14001 and QC80000.
Locations and Facilities
High Quality PCB Co., Limited is headquartered in FLAT/RM 1502 EAESY COMMERCIAL BUIDING 253-261 HENNESSY ROAD WANCHAI Hong Kong. The company maintains standardized production bases primarily in China, with multiple dedicated facilities in the Guangdong and Jiangxi supporting its IC substrates, PCB design, PCB manufacturing and assembly operations.
It operates a base in Yunhua Shidai Building Shajing Bao’an Shenzhen Guangdong China 518104, serving as a key point for customer support and business development.
Multilayer PCBs
High Quality PCB Limited is a high-tech multilayer printed circuit board (PCB) manufacturer, which bases its core business on FR-4 materials including high-Tg types to cater for thermal stability and reliability needed applications. These multilayer PCBs consist of several conductive layers which are separated by layers of dielectric materials. They allow more complex routing of signals, improved performance against electromagnetic interference, and smaller distance between routes can be achieved compared to single-sided and double-sided PCBs. A notable example is their 62 layer FR-4 high-Tg board with backdrill and immersion gold surface finish. High Quality PCB offers high-accuracy impedance controlled multilayer PCBs by carefully selecting materials, process controls, and testing to reduce signal reflection and crosstalk in critical applications, such as telecommunication and computer.
Flexible and Rigid-Flex PCBs
High Quality PCB Co., Limited is a professional FPC manufacturer in China, we supply bendable and space saving solution—flexible printed circuit boards (FPCBs) for customers with high density interconnection application. Our Flex PCB products are available from 1 layer up to 12 layers, and furthermore, with 0.05 mm board thickness as the min thickness, and also laced with polyimide (Kapton) coverlays by 0.5 mil up to 5 mil, and full compatible with special types of coverlays, (non)adhesive copper-clad based materials and high performance levels of laminates that are UL / RoHS compliant. The copper thickness ranges from 1/3 oz to 4 oz, with minimum line widths and spaces of 0.04 mm, allowing for highly dense layouts. Briefly describe the technical specifications of your products.
Flexible PCBs from High Quality PCB are used in consumer electronics like smartphones, tablets, wearables, and folding-screen devices; automotive, including dashboard, battery management, and motor controls; medical equipment, including monitors, blood glucose meters, and ultrasonic instruments; and aerospace, including instrument panels and satellite systems. They are also flexible, supporting miniaturization, vibration resistance, temperature adaptability, and weight reduction by substituting for wiring harnesses. The company also manufactures rigid-flex PCBs where rigid FR4 sections are combined with flexible polyimide substrates for hybrid structures that offers structural integrity with bendability, usually in 2 to 8 layers. These PCBs have a minimum thickness of 0.05 mm, precision capabilities including a minimum drill size of 0.15 mm, and surface treatments of Ni/Au and OSP. Rigid-flex circuits allow for tight, dependable packaging in three-dimensional arrangements and are found in consumer electronics, telecommunications, automotive, aerospace, industrial control and military applications. High Quality PCB unites these with PCB assembly capabilities, delivering full solutions.
HDI PCBs
High Quality PCB, Limited is a manufacturer of high density interconnect (HDI) PCBs, which can achieve higher circuit density, finer features and smaller size compared with traditional boards with more layers utilizing microvias, blind vias and buried vias. They are made with the use of advanced technology, including laser drilling- resulting to micro-holes, with a standard size of 0.1 to 0.3mm in diameter, stack vias, and multiple layering for high-end PC configuration.
The HDI PCBs manufactured by High Quality PCB provide the possibility of better electrical performances e.g. high-frequency, high-speed signal transmission by shortening signal paths and reducing parasitic parameters as well as decreasing electromagnetic interference. They can be used in high density design and high signal integrity in a wide variety of applications including consumer electronics, telecommunications, automotive and industrial control.
The company’s mature HDI products comprise multilayer rigid PCBs with FR-4 material (including high-Tg types) (e.g. 8 layer FR4 HDI main circuit boards, 14-layer (6+2+6) high-Tg type). High Quality PCB also manufactures HDI in rigid-flex, such as HDI mainboard rigid-flex PCBs, and offers prototyping with quick turn options. High Quality PCB combines the production of HDI PCB with the assembly service to offer fully or partially turnkey PCBA for HDI based electronics products with sourcing of components, quality testing to final assembly for applications like controlling electronics circuits. Mini BGA pitch 0.35mm SMT is available for High Quality PCB.
Substrate-like PCB (SLP) or Ultra HDI PCB
Up to 18 layer anylayer ultra HDI PCBs is available for High Quality PCB. The HDI via structure is 8+2+8, or called 8 ranks UHDI PCB or 18L anylayer SLP. Generally made of high speed, low DK, low CTE raw materials, like as EM-528K, Meg6, Meg7, DS-7409HG, SI13U, SI10US, NP-107, NP-109 etc. Fine pitch design, the min line/gap is 30/30um even if smaller, min BGA pitch 100 to 200um, min via 50um. Applications for high speed telecommunication devices, like as optical transceivers, high performance computing (HPC) etc.
IC Substrates or IC Package Substrates
High Quality PCB Co., Limited has been the top leading manufacturer of IC Substrate, Substrate-like PCB Assembly and Modular PCB Assembly in China since 2006. We are committed to the innovation of technology, so that our technology is always in the leading position. We deal in IC Substrate, Substrate-like PCB Assembly and Modular PCB Assembly. 18 Layer IC substrates, Min pitch 0.30 mm BGA Flip Chip on IC Substrates for High Quality PCB.
Our Strategy is High technology, High Quality or High reliability with excellents Service. Therefore we can assist our customers from products design and prototyping to mass production. Both prototypes and volume production consignment are welcome to High Quality PCB.
Advanced technology and new technique makes our company to follow the customers’ high-tech product. We are making great efforts to focus on high quality, reasonable price and best service. The products are used in a lot of High-tech industries, Such as communication equipment, consumer devices, aerospace, military, automobile, medical device etc. 76.7% of all products export to Europe , American, South Korea, Australia, Japan and other countries. The full of services IC substrates manufacturer in China, providing all semiconductor customers around the word with fast and low cost IC substrates and assembly.
High Quality PCB is committed to excellent services: turnkey services (IC substrate + component purchasing + substrate-like PCB assembly) prototypes service / production service. We guarantee 100% on time delivery which is very important in Quick Turn Prototypes and Prototypes Delivery.
PCB Assembly
High Quality PCB Co., Limited provides PCB assembly (PCBA) service in its one-stop service manufacturing solution, It can help customers get fully assembled boards from the same factory that do bare PCB fabrication.
The company offers a full turnkey and partial turnkey assembly service to meet the varying requirements of customers. In full turnkey PCBA service, High Quality PCB takes care of the entire process from the preparation of the printed circuit boards and procurement of the electronic components, to the online order tracking, monitoring of the quality throughout the production and finishing assembly. Partial turnkey services enable customers to provide the PCBs and some of the components, while High Quality PCB takes care of the rest of the procurement and assembly.
Professional quality supports a variety of board types by performing multilayer assembly including FR4 (single-sided, double-sided, and multilayer), Rogers high frequency material, flex PCB, Rigid-Flex PCB, high density interconnects(HDI), thermal management or other special applications which require complex precision PCBA application. Precision assembly is paramount in the treatment of intricate, high reliability boards with custom products being 100% tested to guarantee quality and reliability over time. It also enables quick-turn prototype assembly and production scale runs with cost-efficiency made possible by the large-scale operation.
Turnkey and ODM Services
High Quality PCB Co., Limited provides turnkey and ODM services which are included in its full spectrum of electronics manufacturing services. These facilitate one-stop solutions and customers can engage the company from concepts or designs all the way to the delivery of the assembled products.
The company offers full turnkey and partial turnkey PCB assembly. In high quality PCB, Full Turnkey service means they will take you through everything from PCB design, the manufacturing of the PCB, the procurement of components, the tracking of the order, the monitoring of the quality, and finally the assembling and the shipping. Partial turnkey is the option whereby clients provide PCB fabrication data and/or components and the company takes care of the rest of the sourcing and assembly. These products provide both flexibility and convenience for those who desire to receive end to end support.
The High Quality PCB also offers turnkey product design service, from concept to mass production, the one-stop solution with strong point focus on IoT devices and wearables. It includes industrial design, mechanical design, hardware design (PCB stack-up, multilayer build), firmware, prototype, manufacturing, to product certification to meet international standards, especially for RockChip RK3588, RK3568, KR3576 MCU solutions.
The ODM services facilitate tailor-made production to customer specifications, and the customers can produce their own brand or design of PCBs and assemblies. Solutions are project-centric rather than generic applications, leveraging its engineering expertise at the high end of a wide range of applications.
Manufacturing Capabilities
High Quality PCB Co., Limited has upright PCB production machine with automation process, advanced high precision multi-layer lamination, laser drilling, precision circuit imaging, plating, fully automated high-end production lines which able to provide a one-stop manufacturing service.
The company allows for high-layer-count PCBs, up to 62 layers for FR4 based boards, up to 36 layers for rigid-flex PCBs and up to 12 layers for flexible PCBs.
In addition, the company specializes in IC substrates, substrate-like PCB (SLP) or utra HDI , HDI (high-density interconnect) technology, including anylayer interconnection and microvia designs, minimum track spacing is 1 mil (0.025 mm), laser-drilled hole sizes of 0.05 mm, along with support for miniaturized components such as CSP and BGA packages.
Control of impedance with as tight tolerances as ±5% are common (with typical tolerances of ±10% or ±8% for differential signals for use in high speed applications), however these tighter tolerances are readily achievable for producing very reliable signal integrity in high frequency and high speed circuits.
Copper thicknesses can be from 0.5 OZ to 15 OZ on exterior and 0.5 OZ to 8 OZ on interior, allowing the execution of thick copper designs for circuits on power electronics or thermal management demands and the maximum aspect ratio can be 18:1. The company develops high-end products including multi-layer computing power board for data center, server, 5G ect., and advanced packaging substrate, using material such as high-Tg FR-4, halogen free, and high-thermal-conductivity substrates that meet advances challenges in signal integrity, heat dissipation and power delivery.
Production is focused on flexible design for quick turn prototyping and volume production, with full-process SPC and high-end inspection facilities such as AOI, X-ray, and flying probe testers that ensure quality continuity.
Quality Standards and Certifications
High Quality PCB Co., Limited insists on maintaining strict quality level of intelligent manufacturing enterprise which certified by IPC with the assistance of the production standards of the certification, from which it is easy to make sure the consistency on high quality PCB & PCBA product & service.
The enterprise is ISO9001, ISO13485 and IATF16949 certified, confirming its meeting with the international quality management system for general manufacturing, medical device and automotive industry respectively.
Applied is a three stage quality control system consisting IQC, IPQC and FQC, which meets with IPC international standard.
A variety of inspection methods are applied at production such as Automated Optical Inspection (AOI), X-ray non-destructive inspection and Functional Circuit Testing (FCT), in order to put up the double assurance on zero-defect delivery and product reliability.
The enterprise announces a comprehensive product yield constantly above 99.9% which is supported by real-time data upload to its MES system through close-loop problem solving methodologies.
Full-link traceability to “One Material, One Code” digital traceability system trace from component procurement to finished products and ensures compliance with design requirements and industry standards.
Integration of intelligent manufacturing with MES and ERP systems to realize data-driven control across production lines for better quality inspection, process improvement, and production management.