Heng Tong Drainage Engineering Co., Ltd., a professional channel service provider in the construction industry, specializes in subcontracting and repair work. We provide all-round services including pipe repair, underground sewage treatment, septic tank, grease trap, and sand well cleaning. In addition, we also provide high-pressure water jetting, video pipe detection, and vacuum suction truck services. We have advanced equipment and professional engineering teams, and we are licensed by the Drainage and Sewerage Department and the Environmental Protection Department, as well as registered with the Construction Industry Council. For many years, we have provided professional services to various commercial and residential buildings such as shopping malls, restaurants, schools, factories and construction sites. We adhere to honesty and integrity, providing continuous professional services for 365 days, and providing free maintenance services after the completion of the project to ensure customer satisfaction.