Shandong long machinery co., LTD., invested by north sea group is a professional engaged in mechanical design, research and development, production, sales for the integration of science and technology enterprises, the company is located in shandong weifang binhai economic and technological development zone, plant construction, according to the requirement of the modern enterprise production technology research and development of scientific research team of independent innovation by the company. Adhering to the business philosophy of technological innovation, quality survival, and service development, the company actively responds to the call of national agricultural development, and is committed to the r&d and production of high-quality rotary tiller knife, as well as the industry's advanced production equipment and various inspection and testing equipment to create high-quality cost-effective rotary tiller knife for farmers!