The unit sewer is blocked. Is it property maintenance or the whole building?

Lijia Pipeline Dredging Co., Ltd. has been approved by the industrial and commercial bureau, environmental protection bureau, municipal sanitation and other departments, and has many qualifications such as engineering construction, road transportation and sanitation disposal. With the goal of "beautifying, cleaning East China and serving", all Li Jia's colleagues have the strength in pipeline dredging, pipeline cleaning, dung suction, septic tank cleaning, industrial pipeline cleaning, rainwater pipeline cleaning, high-pressure pipeline cleaning, sewage treatment, grease trap cleaning and sewer dredging. Equipped with large and small dung suction vehicles, high-pressure cleaning vehicles and high-pressure cleaning equipment. Hechang takes "your satisfaction is our pursuit" as its service tenet, fully implements the principles and policies of "humanized management, refined operation, standardized operation and honest service", and always adheres to the enterprise spirit of "honesty, honesty, diligence, simplicity and trustworthiness"