羅莎環球建築材料資料中心 ．Rosa Building Materials Information Center ．搜尋器、搜尋引擎、搜尋網
羅莎 自1992年成立以來，一直佔據建築材料市場的資訊領域，排名、曝光率自然取勝。 羅莎關鍵字，有效地助您減省關鍵字的推廣成本。
省了錢 ，但推廣效能卻不省半點。客戶商貿訊息更廣泛地被傳動複寫，流覽率更遠勝自建網站，推廣效益超越，大型的網站也不可達。
As a specialist in the field of air-conditioning and refrigeration systems, Air-Con Specialist provides professional services in a wide range of systems including :
- Air-Conditioning & Mechanical Ventilation Systems,
- Conventional Air-Cooled Split Type Systems
- CRAC Systems
- VRV Systems
