Shandong Kaifeng Energy Saving Technology Co., Ltd. is a company engaged in energy saving technology research and development, promotion services, central air conditioning after-sales service and other businesses. R&d, manufacturing, sales, installation and after-sales service of central air conditioning refrigeration equipment and end supporting products, low ambient temperature air source heat pump, (cold water) unit, heat pump water heater, water (ground) source heat pump, clean air conditioning, unit air conditioner, roof type air conditioner unit; Goods and technology import and export business