Gelonghui, April 18 | Baolong Technology (603197.SH) said on the investor interactive platform that the main raw materials involved in the company are: copper, aluminum, stainless steel, rubber, etc. The company has professional and mature supply chain management experience, smoothly passes through several commodity ups and downs, and can effectively control the impact of price fluctuations. The company has already agreed on product price adjustment terms when signing contracts with major customers. When raw material prices fluctuate greatly, product prices can be adjusted by negotiation to ensure the company's reasonable profit level.