Although gypsum / calcium silicate drywall and ceiling systems have been widely used in the building industry in urban areas across the country since early 1990s, there seems to exist no Vietnamese standards and norms to regulate this particular field. Very few people, including those who have long working experience in the architecture and construction industry in Vietnam and its neighbouring countries, understand thoroughly the principles of fire resistance (containing of fire from spreading from one compartment to another compartment in a specific length of time), noise absorption (dissipating part or total energy of sound waves within an enclosed compartment), sound insulation (prevention of sound waves from travelling from one compartment to another compartment), and thermal insulation (impeding of heat flow from running from higher temperature to lower temperature zones).

Established since early 2002, TONG HY Co., Ltd. has been pursuing its strategy: to be the best provider of total solutions about sound insulation – thermal insulation – noise absorption – fire resistance for walls – ceilings – floors – roofs – columns – beams, etc. in all types of buildings, from residential and institutional to commercial and industrial applications in strict compliance with the world's most advanced norms and standards. In other words, TONG HY Co., Ltd. is the preferred supplier of specialty materials for building contractors, and also a leading professional contractor of interior partitions, exterior walls, and ceiling systems made of gypsum and calcium silicate boards with exceptional quality and durability in Vietnam.

From 2002 till 2009, a 5-year assured period is applied for all interior and exterior drywall and ceiling systems designed, supplied and constructed by TONG HY. Starting from 2010, this assured period is upgraded to 10 years. A full commitment provided by our company, a Platinum Bond, unrivaled in Vietnam !!!