The registration address of nanjing changjing lubricating technology ltd. Is located at the dragonshare logistics base, no. 150169, long street zhuang road, nanjing economic technology development zone. The registration authority is the administrative approval board of nanjing city's neighborhood district, represented by a legal person, and includes the development, sale and sale of lubricant oil, lubricant butter, lubricant fat additives; maintenance supplies for vehicles, wind and electrical equipment, solar equipment conservation supplies, spare parts for underground railways, spare parts for industrial or mine equipment, fuel oil, base oil, white oil, heat and transformer oil. (projects subject to legal approval may not operate without the approval of the relevant department)