Sigma Group Ltd
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.