Hai Yan Enterprise Ltd is an Engineering and Trading company in Bangladesh. We pioneered ourselves in the year 1990 in Dhaka. Our company has dealt in various sectors like telecommunication, industries, defiance, railways, power Equipment, real estate sectors. We are one of the leading electrical system manufacturer, supplier and supplies product like direct lightning protection ESE and CAT, chemical gel grounding system, surge protection devices for power line, surge Filter for Mobile Network MSC and BSC BTS station, protection devices for data line, automatic transfer switch, RTPFC (real time power factor correction) panels, exothermic welding products.