Standard: Quality Management System Certificate Number: 07013Q20102R4L Issue Date: 2013-11-04 Expiry Date: 2016-11-13 Scope/Range: design, development and production of truck-mounted cranes, coal mining equpment and drilling rigs Issued By: Beijing Jun You Cheng Xin Quality Certification Co., Ltd.

Standard: Patent certificate Number: 2742969 Issue Date: 2013-03-06 Scope/Range: climbing assistance device for big gradient applied in roadheader Issued By: State Intellectual Property Office of P.R.C

Standard: patent certificate Number: 2620510 Issue Date: 2013-01-02 Scope/Range: roadheader remote reappear system Issued By: State Intellectual Property Office of P.R.C

Standard: Patent certificate Number: 2735053 Issue Date: 2013-03-06 Scope/Range: temporary supporting deveice mounted on the roadheader Issued By: State Intellectual Property Office of P.R.C

Standard: Military products quality management system approval certficiate Number: 13QJ20236R4L Issue Date: 2013-11-14 Expiry Date: 2017-11-13 Scope/Range: crane Issued By: Beijing Junyou quality approval company Ltd.