Shandong o ruina environmental technology co., LTD., founded in 1996, has been 23 years of development history, the company is located in the form to the spirit of qilu earth, known as the "nine days qu," said the Texas, workshop area more than 10000 square, processing equipment more than 60 sets, investment more than 6000 ten thousand yuan, is a collection of r &d, design, production, sales, installation, service in a body comprehensive enterprise, the company mainly produces "commercial air ventilation, air purification series, commercial air handling units series, fresh air dehumidification units, commercial air accessories and other products", And widely used in health, education, medical, finance, office and other fields. Over the years, the company adheres to the enterprise policy of "people-oriented, honest management", constantly pursues the perfection of quality and technological innovation, and strives to become a first-class brand enterprise in China. Company "to the quality strives for the survival, seek development by innovation" for the idea, to provide customers with computer design, drawing and dismantling, OEM, ODM, such as all-round services, establish a good reputation in the market, won the recognition and trust of customers, and successively with the 3 m company, changzhou sangmyung motor brands to reach a long-term strategic cooperative relations. Unique, leading research and development concept, not only took the lead in the international advanced level of automatic optical fiber laser cutting machine, y-type solid laser cutting machine, CNC turret punch, CNC bending machine, CNC shearing machine and other advanced production equipment. And every year in the development and production of new products to invest a number of special funds, new products more than 30 sets of mold, to achieve high quality, high demand laid a solid foundation. Company has been adhering to the "care for children and family service" as the objective, advocates harmonious coexistence with nature, management innovation, and through the one-time: three system certification, ISO9001, ISO14001, OSAHS18001 fresh air to national CCC certification, air handling units, the national industrial production permit, national air heat recovery test report, test report, air purifier PM2.5 once pass inspection report, four patents of utility model patents, four appearance, both to ensure product quality to meet customer requirements, and for the sustainable development of the company offers a wide range of research data. In 2018, the company realized annual production and management: more than 20,000 sets of heat recovery air treatment units, more than 100,000 sets of fresh air purification products, and more than 150,000 sets of heat exchanger products. The product sales network covers more than 30 provinces, cities and autonomous regions, 254 regional dealers, and 18 regional distributors. Main products: Heat recovery type fresh air ventilator, electrostatic dedusting full heat exchanger (1-4) type, silent feed and exhaust fan, efficient bidirectional flow purifying new fan, efficient one-way flow purifying new fan, central self-balancing new fan, fresh air purifying machine, efficient electrostatic dedusting box, etc. Rotary heat recovery air treatment units, rotary dehumidifier units, ethylene glycol heat recovery units, plate heat recovery units, heat pipe heat recovery units and other energy heat recovery units, fresh air dehumidifier units Rotary full (display) heat exchanger, plate - fin full (display) heat exchanger, heat pipe heat exchanger, etc.