Anhui Hongshi Optoelectronic High-Tech Co., Ltd. belongs to Hongshi Enterprise Group which deals with business including the development of optical mechanical and electronic integration, auto/vehicle sales, petroleum sales, and cultural media. Our company strictly abides by ISO9001, ISO14001 and ISO18001 standards and takes JIT and ERP strategies to achieve always-better technologies and service. Our company has got 13 patents and 2 Nation-Help projects. Some technologies reach or surpass the 1st international level. Our color-choosing machines have more than 10 types, and they can be used for the products like rice, tea, sunflower seeds, melon seeds, beans, and industrial raw materials. The machines used on the seeds with covers and on the round beans are new ones in the field of China; and they crack the monopoly of those imported machines and better meet the domestic demands. The grains color sorters are mainly more than a dozen varieties. Color selection covers rice, tea, seed, bean, industrial raw material and other fields, and makes a breakthrough especially in some shelled melon seeds (such as sunflower seeds, watermelon seeds, pumpkin seeds, white melon seeds, etc) and round beans (such as soybeans, Mung beans, peas, red beans, etc). It can screen and remove defective impurities and others in the method of color difference; our products, with intelligent production way, fast separation speed and efficiency of a perfect separation, are your first choices!