Group 1 - The conference will waive registration fees for attendees who register and present their information to receive a representative certificate [5] - Member organizations are limited to complimentary conference materials and meal vouchers, with specific limits based on membership level [5] - Non-member organizations and excess personnel from member organizations will be charged 2000 yuan per set for materials and meal vouchers [5] Group 2 - Payment for the conference should be made to the designated account, with specific instructions for remittance and invoice requests provided [5] - Contact information for various representatives related to the conference is listed, including mobile numbers for inquiries regarding industrial silicon, polysilicon, crystalline silicon photovoltaic companies, and accommodation [6]