Sigma Group Ltd, a China-based PCB solution provider, specializes in providing worldwide clients with high-quality printed circuit board fabrication, assembly and components sourcing services at an   affordable  price. The company has invested heavily in the world’s most advanced modern manufacturing and test equipment and software, from United States, Japan, Germany, Israel, Italy and Taiwan. We manufacture high-level backplanes, HDI PCB, high frequency PCB, high TG PCB, halogen-free PCB, metal substrates, flex and rigid-flex PCB, along with other high-tech products. Since our establishment in 2009, we have helped thousands of purchasers engineers, and electronic hobbyists, from educational institutions to business, to develop innovative applications transforming their products and the industry in which they operate. Our passion for electronics and other semiconductors has helped us to become one of the best PCB manufacturers in the business. Apart from this, it has prompted us to expand beyond the boundaries of our country and reach the whole world. As a customer-driven PCB manufacturing company, we are committed to adhering to the strictest quality standards in PCB fabrication and assembly. We do our best to ensure our PCB boards meet and exceed specific requirements of each clients. Until now, we have served thousands of international engineers with our quality guaranteed services. Along the way, we have built a solid reputation for great quality, competitive pricing and “on time” delivery. “Always to think a little bit more for our customers, to do a little bit more for our customers, to set the quality as the route and the service as the basis” is the principle of our company. The company passed ISO-9001 quality system certification and all ISO-14001 environmental system certifications. Many products have attained UL approval by our Engineering Preventive Control Dept. for strict production control of procedures. 100% AOI on-line inspection and electrical testing. We believe satisfying clients and their needs are the heart of any successful business. As such, we provide a range of bespoke offerings and customer service options to satisfy clients’ needs. We have customers from various fields including, communication equipment, industrial and medical, computer, and defense science. Our team has been working on this industry for over 8 years, we are highly skilled in all aspects of PCB fabrication and assembly. From PCB prototyping to full production, part kitting to full turn-key assembly, circuit design instructions to material advice, we've got you all covered. Sigma Group establishes good cooperation with thousands of clients around the world. Our solid customer base has brought a strong impetus for future company growth. We are eager to earn your business and become your main source for your printed circuit boards. For over 8 years, we have been providing our customers with high-quality boards with industry leading customer service.