石，灰泥，水泥，石棉（石棉），雲母或類似材料，陶瓷，玻璃及玻璃製品的中外合資企業, 70 Glass and glassware, 70.05 -float glass and surface ground or polished glass, in sheets, whether or not having an absorbent, reflecting or non-reflecting layer, but not otherwise worked:, 70.05.2 -float glass and surface ground or polished glass, in sheets, whether or not having an absorbent, reflecting or non-reflecting layer, but not otherwise worked: --other non-wired glass, 70.05.29.00 -float glass and surface ground or polished glass, in sheets, whether or not having an absorbent, reflecting or non-reflecting layer, but not otherwise worked: --other non-wired glass ---other:, 業務, 業務