Dongguan Xinbao Instrument Co., Ltd, with its own brand--OTS, has been dedicating in providing professional testing equipment with top quality since its establishment in 1978. It owns sophisticated and advanced technology in producing environmental test chambers and mechanical test machines like temp humidity chamber, thermal shock test chambers, rain and dust test chambers, salt spray chambers ,walk in /drive in test chambers, tensile testing machine, vibration test machine, other customized test chambers and so on. Products made by OTS reach international standards: ISO, ASTM, DIN, EN, GB, BS, JIS, AMSI, UL, TAPPI, AATCC, IEC. Also they are widely used in different area: R&D Institutions, Quality inspection institutions, universities,electronics, communications, instrumentation, automobile, plastic, metal, building materials, aviation, etc.