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Yes. When booking, please specify your needs so we can use an unscented, low-volatility formula and avoid chlorine-based disinfectants and strong alkaline degreasers. We recommend that infants and pets be kept out of the work area during service. After completion, ventilate the room for 1–2 hours before re-entry. For pet areas (around food bowls and litter boxes), clean only with water and a neutral detergent.

Do not apply a single cleaning regimen to all materials. Acidic descalers are prohibited on natural stone like marble; use neutral stone-specific cleaners instead. For solid wood flooring, control moisture levels by using well-wrung mops paired with wood floor care products. Avoid chlorine-based products and steel wool on stainless steel and plated fixtures to prevent pitting and scratches. During the on-site assessment, we will document the material inventory and specify the appropriate cleaning agents for each area on the work order.

Never mix these products; combining them generates chlorine gas. Our operating procedures strictly require: chlorine-based disinfectants and acidic descalers must be stored in separate bottles and containers. When used sequentially in the same area, rinse thoroughly with water and wait at least 10 minutes between uses. The pre-shift 40-hour training includes assessment on chemical compatibility and emergency response; personnel who fail the assessment are not authorized to work.

All 26 registered cleaners have completed 40 hours of pre-job training and passed assessments. Among them, 8 high-altitude workers hold special operation certificates. The company provides employer liability insurance for all staff; additional high-altitude accident insurance is purchased for high-altitude projects. For customer property safety: we verify ID badges and work orders before arrival, advise customers to secure valuables and cash in advance, allow someone to stay present during the service, and compensate for any damage according to the contract terms.

Use a dual-rope safety system (work rope + independent safety rope) with a fall arrester. Inspect the basket and ropes before each operation and keep records. Establish a barricaded exclusion zone on the ground with a dedicated safety monitor. Cease work and extend the schedule during winds of 5 Beaufort or higher, thunderstorms, heavy fog, or extreme heat; such delays incur no additional charges.

Implement color-coded management: Use separate sets of towels and mops in different colors for bathrooms, kitchens, living rooms/bedrooms, and glass surfaces—do not mix them. Clean and dry all tools after each service. Soak towels in hot water at 60°C or higher with disinfectant before drying. Store toilet brushes and drain brushes separately. Customers may also request to use their own tools; simply specify this during booking.

Yes. When booking, specify "chemical-free service." We will use high-temperature steam, microfiber cloths, and physical scraping to remove grease and scale. Minimal disinfectant is applied only where necessary (e.g., drain openings) with prior notice. This process typically takes 30%-50% longer and the additional cost will be clearly listed in your quote beforehand, with no surprise fees on-site.