Rongke gas appliance manufacturer factory, original supplier specializing in the manufacture and export of magnetic valve thermocouple for gas heaters. We do have great confident in our quality, as we do in the manufacturing of flame failure device ever since 1992,our products were totally made for export, we do know what the most important for our clients. as we are manufactory, we are the original source of the market. that's why we do have confident in our price. As an active manufactory, we are willing to cooperate with any clients all over the world, to know what our clients need, to supply the great products that our clients required.