Voyage teaching equipment which has accumulated rich experience in production, sales and other areas of biological slice laboratory supplies and equipment, with strong technical strength and strong product development capability. Widely used in agriculture, forestry, animal husbandry, medicine, teacher, research institutions, universities and primary and secondary schools abroad teaching, business involving various types of education. Products: microscopic biopsy specimens, specimens of plants and animals in general, animal and plant specimens soaked organic material embedded specimens (crystal specimens), teaching experimental model (medical model, primary and secondary teaching model), human pathology, embryology, parasitology, medicine signed, microbiology, plant pathology, plant and animal science class microscopic slides, anatomical specimens on display, anatomical specimens plastics, ministries fault specimens, anatomical models Histology and Embryology, vascular cast specimens and other products. Vein specimens basic steps and make the vein specimens, requirements and considerations. Etching - cooking method (1) the removal of a number of veins clear, tough leaves, such as mulberry, laurel leaves. (2) Weigh 2.5 g of sodium carbonate, sodium hydroxide, 3.5 grams (or 3 g) was placed in a beaker, 100 ml of water injection, the fire to boil. (3) into the leaves, so they are all soaked in solution. Continue to heat 6 to 8 minutes, occasionally mixed with a glass rod gently moving, so that all the leaves separate production plant specimens, heat evenly. Corrosion leaf plant specimens collected by the drug, it is easily removed by the soft part of the vein and the left. (4) Remove the cooked leaves with tweezers, placed in a glass of water Shengyou Qing. (5) is removed from the clear water rinse leaves, tiled in a Petri dish, in tap water in carefully with a soft brush to gently wipe the soft part of the blade, revealing clear veins, then attached to the glass dry. (6) to take advantage of the veins have not yet dry, painted with watercolor paints with a brush (also can be immersed in the color ink staining). After dry, put the book flatten. Then on the petiole tied a colored ribbon, it may lead to the appearance of a bookmark. Herbarium making voyage teaching (certified), plant specimens provided by Xinxiang City Teaching Equipment Co. voyage. Xinxiang City voyage Teaching Equipment Co. (www.xxyuanhang.cn) (www.yuanhang369.com) is an industry leader in Henan Xinxiang, specimen model years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. On the voyage instructional leadership with the staff warmly welcome all inquiries negotiations to create a better future teaching voyage.