1996年以来，黑龙江省农机市场上，农机橡胶配件的需求在增加，主要有以下方面：一是黑龙江保有量较大的12—15马力小四轮拖拉机配件需求增势仍显强劲，活塞圈、活塞环、轮胎等一些易损件需求倍增，名牌产品在部分地区供不应求：R175、180和195等型号柴油机及手扶拖拉机用的缸 Since 1996, the demand for agricultural machinery and rubber accessories in the agricultural machinery market in Heilongjiang has increased, mainly in the following aspects: First, the demand for small four-wheel tractor parts with a large 12-15 hp capacity in Heilongjiang is still showing strong growth. Piston rings, The demand for some wearing parts such as piston rings and tires has doubled, and brand-name products are in short supply in some regions: cylinders for models such as R175, 180, and 195, and cylinders for walking tractors.