We investigated and tutored suspected unregistered responsible enterprises for lamps and batteries from Dec.11 2015 to Dec. 31th 2015. The tasks conducted in this project were listed below: 1. Investigating various channel vendors. 223 suspected unregistered manufacturers or importers out of 615 brick-and-mortar stores and 379 ones without shops were found. 612 suspected unregistered responsible enterprises were collected in total. 2. Building responsible enterprise multiple-filtering mechanism based on the information from customs, governments, and NGOs. 3260 suspected unregistered responsible enterprises were collected using 7 websites and systems. 3. According to the list mentioned above, 319 unregistered responsible enterprises were confirmed. Amongst the enterprises, 314 out of 319 unregistered responsible enterprises had been registered, and the percent of registered enterprises within the list was 35.48%. For these enterprises, lamp material and battery material ones are 38 and 276, respectively. 3.41 million of the recycling, clearance and disposal fees were collected. 4. Analyzing the methods for collecting, investigating and tutoring unregistered responsible enterprises based on the institutional levels between this project, other EPA projects from 2010 to 2014, and other EPB ones from 2013 to 2015 (32 reports in total). 5. 431 light emitting diode (LED) lamp enterprises were collected into the list for responsible enterprises, and were notified by mails with related information to register and declare follow-up payment according to the regulation from January 1st, 2017.

unregistered responsible enterprise, multiple-filtering mechanism, light emitting diode (LED) lamp