Zhejiang Kaibo Pressure Vessel Co., Ltd bụ ụlọ ọrụ ọkachamara na imewe na mmepụta nke carbon eriri n'ụzọ zuru ezu ọbọp mejupụtara cylinders.Anyị enwetala ikike mmepụta B3 nke AQSIQ nyere - nchịkwa izugbe nke njikwa ogo, nyocha na kwarantaini, wee gafee asambodo CE.Na 2014, ụlọ ọrụ e gosiri dị ka mba elu-tech enterprise na China , ugbu a nwere kwa afọ mmepụta mmepụta nke 150,000 composite gas cylinders.Enwere ike iji ngwaahịa ndị a mee ihe n'ọtụtụ ebe na mpaghara ọkụ, nnapụta, nke m na ngwa ahụike wdg.