China Machinery Heavy Industry Group Co., Ltd. ee China Machinery Heavy Industry Group Co., Ltd. ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye Kɔmpani ye kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye, kɔmpani kura ye. A tɩŋa National Enterprise Technology Center, National Personnel Department ye tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n A ye raan tueŋ ye ISO 9001 Quality Management System, ISO 14001 Environmental Management System ku ISO 45001 Occupational Health and Safety Management System certification looi në ruöön de 2012.