Min. Order Reference FOB Price
1 Piece US$150.00-20,000.00 / Piece
Product Description
Manholes have been shaped products, usually 600mm in diameter. The center of the manhole is generally 750mm from the floor. It is convenient for the staff to enter and exit the oil tank or ventilate during installation, cleaning and maintenance. The manhole of the non-metal oil tank is arranged on ...