Shijiazhuang Laoguanjia Cleaning Engineering Co., Ltd. is a joint-stock company with independent legal personality approved by the industrial and commercial department, and registered the trademark of "Laoguanjia" in the Trademark Office of the State Administration for Industry and Commerce. It is the first large-scale cleaning engineering company with its own brand in Shijiazhuang. Since its establishment, the company has established a set of perfect working system, management system and quality supervision system in cleaning engineering, and has been committed to providing scientific cleaning and maintenance services for enterprises, institutions, families, hotels, hospitals, schools, office buildings and other places, and has introduced various advanced cleaning equipment and environmental cleaning agents at home and abroad.

It mainly undertakes all kinds of difficult industrial cleaning, central air conditioning cleaning, boiler pipe fittings cleaning, building facilities cleaning with various materials, industrial heavy oil cleaning, factory building cleaning, industrial equipment cleaning, oil fume exhaust and drainage pipeline cleaning, exterior wall cleaning and painting, stone renovation and maintenance, terrazzo renovation and crystallization, cement floor renovation and solidification, daily cleaning of units and families, land reclamation cleaning, carpet cleaning and sofa cleaning and maintenance.