Book Now- Call Now Hin Group is a home and office aircon service, Plumbing & Renovation service company that offers a wide range of services in : Bandar Baru Bangi, Kajang, Semenyih, Ecohill, Ecohill 2, Eco Majestic, Diamond City, Serdang, Cheras, sungai long, KL, Selangor, Putrajaya and cyberjaya.