Dongguan Sigma Automation Co., Ltd. is specialized in research & development, manufacture and sales of special robot arm and relative automation equipments. Our products are widely used in basic industry, auto parts, electrical communication, food and beverage industry, cosmetic package, PET bottle embryo, optical fabrication, household electrical appliances, etc. We have lots of experienced techies and sales team with good faith and profession. We can provide you with optimum automation ...