On November 11th, 2015, the national ministry of industry and information technology released the announcement of "energy-saving electromechanical equipment (products) recommended directory (the 6th)" ([2015] No. 72, hereinafter the "directory"). This directory involved in 11 categories of 434 models of products, including 13 types of industrial boilers, transformer 98 types of transformers, 79 types of motor products, 43 types of electric welding machines, 73 types of compressor products, 63 types of refrigeration equipments, 21 types of plastic mechanical products, 5 types of fans, 3 types of heat treatment equipments, 34 types of pumps, 2 types of drying equipments.

The products RT120 car bottom natural gas annealing furnace of HENAN TIANLI THERMAL EQUIPMENT CO.,LTD is recommend as “energy-saving electrical equipment(products)” by national ministry of industry and information technology .