This is a world of light and shadow, which excites human visual senses, and inspires dreams to become reality! JJZD is a joint-equity enterprise engaged in the R&D and production of large screen splicing equipment for projection, installment and after-sales maintenance services. The AJ and JJZD brands of the Company have a variety of DLP splicing screens, SLCD, LED small-pitch splicing screens and auxiliary integrated equipment that are self-developed and have intellectual property rights. JJZD mainly serves the government, military, transportation, energy, broadcasting, finance and other industries. Through over ten years of development, it has more than 500 end users.

Jingji Zhongda is mainly responsible for the construction of projection display large screen splicing system in government, military, transportation, energy, radio and television, finance and other industries, integrating new project construction and after-sales maintenance services. After more than ten years of development, Jingji Zhongda has provided project construction, product support and after-sales service to thousands of end users.

Through more than ten years of study and summary in the field of projection display large screen splicing, Jingji Zhongda has accumulated rich practical experience in the new project and after-sales maintenance service level of projection display large screen splicing in the core departments of command center, emergency center, dispatching center, operation center, data center, monitoring center and other enterprises and institutions, Formed a set of unique solutions, with the service concept of "process, modularization, refinement, refinement", dedicated to provide "tailor-made" service for every customer.

Your needs are our goal. We provide you with new project construction and after-sales maintenance services that meet your real needs. At the same time of providing professional, standardized and humanized services, we also provide you with customized personalized services. Let you enjoy the whole process of pre-sale, in sale and after-sale service of projection display large screen splicing project.

As an enterprise integrating R & D, production, manufacturing and service, Jingji Zhongda provides you with professional large screen splicing projection display system integration equipment. We have a number of independent research and development, with intellectual property rights of DLP large screen splicing screen, LCD large screen splicing, led small spacing splicing screen, and other sophisticated projection splicing equipment.