Zhejiang Kaibo Pressure Vessel Co., Ltd bụ ụlọ ọrụ na-ahụ maka imepụta na mmepụta nke eriri carbon ejiri kechie cylinders mejupụtara. 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.