Hongzhan group shares company limited, a pioneer in manufacturing quality control instruments, was founded in November, 1985. We were the first manufacturer of a full range testing and inspecting equipment in hongkong.

Hongzhan environmental technology Ltd. has been specializing in environmental test equipment with 26 years of experiences. Test chamber manufacturer, industrial oven manufacturer. Our products include environmental test chamber, temperature test chamber, salt spray test chamber, temperature humidity chamber, temperature humidity test chamber, thermal shock chamber (thermal shock test chamber), weather chamber and aging test chamber, etc. In order to satisfy customers' need, we continuously develop and improve our environment test equipments. Besides, we also produce highly accelerated stress tester, air conditioner unit and industrial clean oven. Please do not hesitate to contact us if you have any doubts about rain tester, ozone tester and LCD aging test chamber.