The investment cost of agricultural machinery is large and the recovery period is long. In order to achieve the purpose of saving time and increasing income, the peasant brothers should choose reliable equipment, reasonable price, and after-sales service whether they purchase new equipment or purchase “second-hand†machines. Guaranteed, all kinds of procedures complete agricultural machinery products. Five kinds of agricultural products can not be bought: 1, can not buy "three no" agricultural machinery products. "Three no" products are often counterfeit and inferior products. Quality and after-sales service cannot be guaranteed. 2. Can not buy agricultural machinery products that do not adapt to the local geographical and natural conditions and economic conditions to avoid the problems of poor product reliability and applicability. 3, can not buy has been eliminated agricultural products. Such machines often have poor workability and lack of after-sales service such as parts supply. 4, can not buy agricultural machinery products from unknown sources. Without reliable source certificates or agricultural machinery whose procedures are not complete, it is best not to buy them. Otherwise, it may be "fighting for a fight." 5, can not buy illegally assembled agricultural products. This type of farm implements is often of poor quality and has many malfunctions, and it also affects the safe operation of agricultural implements. In addition, after choosing your own satisfactory agricultural product, do not forget to ask the dealer for formal invoice, product certificate, product instruction manual and other voucher data, and to purchase old farm machinery, ask the seller for legal documents (such as driving Certificates, etc.) Urine Centrifuge,Urinalysis Equipment,Laboratory Urinalysis Equipment,Urine Test Equipment Changchun Medicon Technology Development Co., Ltd , https://www.teststrip.pl