We have developed the GGAj series high-voltage electrostatic precipitator equipment and gas furnace automatic control system that are suitable for sale, filling the gap in the province and obtaining 18 national patents. The technical level and production scale of our products rank first in the province in terms of product series, with more than 50 varieties such as oil immersed transformers, control cabinets, DC power supplies, DC transformers, etc. Our annual production capacity has reached more than 2000 sets of high-voltage silicon rectifier transformers, electrostatic precipitators, flue gas desulfurization and denitrification products, and the unpacking pass rate has always been above 99.9%. Each set of products sold through two product supervision and inspection by Zibo Quality Supervision Bureau every year has established equipment files, regularly visits users to understand product quality information, continuously improves, and always adheres to the principle of "leading technology, excellent quality, daring to innovate, and never satisfied". Principles