Inventor

ZHAI LANHUI

CN2 patents

Patents

2 patents

US9638373B2May 2, 2017

Energy efficient vertical cryogenic tank

SHIJIAZHUANG ENRIC GAS EQUIPMENT CO LTD1 citations35

US9890906B2Feb 13, 2018

Floating ball filling-control device for cryogenic tank

SHIJIAZHUANG ENRIC GAS EQUIPMENT CO LTD0 citations23