2021 Hunan Crystal Carbon New Material Co., Ltd. Nakweere Sistemụ ọgụgụ isi nke mmiri na-ekpo ọkụ (mechiri ụlọ elu jụrụ oyi + mgbapu mmiri nwere ọgụgụ isi + tank mmiri + njikwa njikwa ọgụgụ isi), yana ọnụego nchekwa ike nke 32%.Ngosipụta nleba anya nke ekwentị mkpanaka