Optical Sub-assemblies are parts of our products, which are the key parts of laser marking machines.
MRJ is a manufacturer and exporter of laser marking machine with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used hardware, auto parts, leather and other industries. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!