According to the classification of forging process, closed die forging and open die forging are commonly used. Closed die forging generally keeps the gap between the upper die and the lower die during the forging process, and the material is formed in the closed die cavity around it. Generally, no flash is generated. A small amount of excess material will form longitudinal flying spurs, and the flying spurs can be removed in subsequent steps. Closed die forging improves the dimensional accuracy and surface quality of the product, reduces flash, and improves the utilization of materials.
SCZY mainly produces hot forging products, both closed die forging and open die forging are produced, which can depend on the requirements of the product. Whether it is closed die forging or open die forging, we will fully consider it during mold development to reduce the occurrence of defective products in the production process. Our own internal mold manufacturing, forging production and subsequent secondary CNC machining can cooperate with each other, which can better ensure product quality and production delivery.
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The monitoring results released by the Price Monitoring Center on the 18th showed that domestic auto prices fell by 0.36% in February from the previous month, down 1.47% from the same period of last year, and prices of passenger cars and commercial vehicles declined slightly in varying degrees.
The price of passenger cars dropped by 0.19% month-on-month, which was the same as that of the previous month, which was a 4.00% decrease from the same period of last year. Among them, the price of basic type and sports passenger car decreased by 0.15% and 0.20% respectively from the previous month, which was a year-on-year decrease of 2.72% and 5.65% respectively. The minibus price rose 0.24% month-on-month and 1.44% year-on-year.
The price of commercial vehicles rose from high to low, down by 0.60% from the previous quarter and up by 1.57% from the same period last year. Among them, the price of commercial buses dropped by 0.81% from the previous month and rose by 0.34% year-on-year. Among the subdivided models, the prices of light and large passenger cars dropped by 0.43% and 0.90% respectively from the previous month, with year-on-year increases of -9.02% and 3.94% respectively; The price of trucks fell steadily, falling by 0.36% qoq and up 3.29% year-on-year. The price of medium- and heavy-duty trucks fell by 0.06% and 0.70% respectively in the subdivided models, up by 1.97% and 4.48% year-on-year, respectively. This was a 0.46% increase from the previous month and an increase of 2.40% year-on-year.
The monitoring showed that the price of imported automobiles in February fell by 2.11% compared with the previous period, and was 4.92% higher than the price of the same period of last year. Among them, the prices of imported cars and imported SUVs dropped by 2.44% and 1.76% respectively from the previous month. 
According to the price monitoring center of the National Development and Reform Commission monitoring 36 large and medium-sized cities throughout the country, the domestic automobile market prices generally declined slightly in February, and the prices of domestic cars and imported cars both slightly declined.