베네수엘라 KZO-50
July 2022, Louis' PSA oxygen generator broke down, so he found Bob who helped him fix the PSA oxygen generator. Louis was very satisfied with Bob's technology and service, and decided to cooperate with him to purchase BANGWIN's cryogenic oxygen generator. In order to further determine the cooperation program, Louis visited the factory in Bolivia. During the visit, he saw BANGWIN's high-quality, sa...