PRODUCT INFORMATION
 Concrete pits are those located beneath the sewer, and for a long section of sewers there is a manhole on the pit mouth, which is usually covered by a cast iron or steel cover for dredging. Concrete pits are now preferred by the units to replace built-in pits or poured directly at the site. Concrete pits have more advantages such as time saving, quality assurance …

FUNCTIONS
 Water collection
 Pipe cleaning
 Change slope, or flow
 Crossing multiple pipes
 Set aside some of the sediment

STANDARD
 Tan Ha Company produces based on customers’ requests, standards and requirements. With our advanced production lines and modern technology, we ensure that we will meet all of our customers’ requirements, standards and conditions of the construction area.