Diving oxygen cylinder, 20mpa high-pressure aluminiyam ialloy gas cylinder,0.35L 0.5L 1L 2L yangaphandle diving cylinder encinci yegesi.
Ukuba unomdla kwiimveliso zethu, unokukhetha ukushiya ulwazi lwakho apha, kwaye siya kuqhagamshelana nawe kungekudala.