Painting of conduits; maintenance and repair of pipelines; air duct cleaning services; refurbishment of air conditioning plant; renovation of underground pipes; sewer pipe renovation; maintenance and repair of pipes used in industrial equipment; maintenance and repair of pipeline systems; sewer pipe maintenance.

Painting of conduits; maintenance and repair of pipelines; air duct cleaning services; refurbishment of air conditioning plant; renovation of underground pipes; sewer pipe renovation; maintenance and repair of pipes used in industrial equipment; maintenance and repair of pipeline systems; sewer pipe maintenance.