GGAj series high voltage electrostatic dust removal equipment, gas furnace automatic control system, filling the gap in the province has obtained national patent 18 items, the product's technical level and production scale are all located in the province's first product series, there are such as oil immersed transformers, control cabinet, DC power supply, DC transformers and other more than 50 varieties, annual production capacity reached more than 2000 sets of high voltage silicon rectification transformers, electrostatic dust removal, smoke gas desulfurization denitration and other products out of box qualification rate has always remained at more than 99.9%, each year through Zibo Municipal Supervisory Board two times product supervision and inspection sales each set of products have established equipment archives, periodically return users, understand product quality information, continuously improve, always follow the principle of "science and technology leading, excellent quality, dare to innovate, never satisfy"