We, DEC Mach Elec&Equip (Beijing) Co., Ltd. ("DEC Beijing") is an exclusively foreign-owned enterprise formed by Holland Environment Group Company ("DEC Group") in 1996 and with an amount of RMB ten million and five hundred thousand of registered capital.

DEC Group, one of the largest manufacturers of flexible duct in the world, is a transnational corporation specializing in manufacture of various kinds of ventilation ducts. Its products of flexible duct have passed quality certification tests in more than 20 countries such as American UL181 and British BS476.

By using a full set of automated production line of DEC Group and its product specifications and manufacturing techniques, DEC Beijing, manufacture nine major flexible ducts, such as flexible Aluminum foil duct, Combined PVC and AL foil flexible duct, Insulated flexible duct and acoustical and thermal flexible duct applying for ventilating and exhausting systems in high, medium or low pressures, or erosive, high-temperature, heat-insulation environments.

The annual output of flexible ducts of DEC Beijing is five hundred thousand(500, 000)ms, amounting to circle more than ten times of the circumference of the earth. For more than ten years of development in Asia, now DEC Beijing focus on supplying high quality flexible ducts to a variety of fields such as building, industry, nuclear energy, military, electron, space transportation, machinery, agriculture, steel refinery in China or overseas market.

Wherever there is gas transportation, there will appear our products. DEC Beijing have already become one of the leaders in domestic construction ventilating and industrial flexible ducts.