Beijing Zetron Technology Co., Ltd, formerly Beijing Senre Technology Co., Ltd was founded in the year of 2011 in Beijing China and mainly provide boiler,gas and heating equipment and testing instruments relative with the heating line. We are focusing on the suppling of gas detectors, industrial environmental safety equipments. With the company development, we changed the name to Beijing Zetron Technology Co. Ltd, we have more than 10 years' experience in heating, energy, environmental protection and with a powerful sales group and experience engineer aims to introduce advanced, practical, expert, economical equipments to the world.