General Projects: Sales of construction materials; Sales of lightweight construction materials; Sales of building and decorative materials; Sales of building waterproof membrane products; Flooring sales; Sales of building metal fittings; Sales of architectural ceramic products; Wholesale and retail of hardware products; Residential water and electricity installation and maintenance services (operate independently based on business license, except where special approvals are required; Specific business activities subject to approval results). Permitted Projects: Residential interior decoration and renovation (subject to special approvals as required; Business operations subject to the terms of the approval; Specific business activities subject to the results of the approval process).