Group 1 - The core viewpoint of the article discusses the significance of carbon black sales contracts, which regulate the rights and responsibilities of suppliers and buyers in carbon black transactions [2] - Carbon black is a crucial industrial raw material widely used in rubber, plastics, inks, and pigments, highlighting its importance in various industries [2][3] Group 2 - The global carbon black market is expanding, with major trading centers established in the United States, China, and Europe, driven primarily by demand from the rubber industry [3] - The demand for carbon black is significantly influenced by the rubber industry, particularly in tire manufacturing, while the plastic industry's demand is also on the rise [3][5] - China is the largest producer of carbon black globally, followed by the United States and Europe, which contributes to a relatively stable supply-demand relationship in the market [3][5] Group 3 - A complete carbon black sales contract typically includes essential elements such as product specifications, delivery time and location, quantity, price and payment terms, quality standards, inspection, packaging and transportation methods, claims clauses, and dispute resolution [4] - The supply-demand relationship in the carbon black market is determined by factors such as the demand from the rubber and plastic industries, production capacity of suppliers, and market competition [5] Group 4 - The pricing mechanism in carbon black sales contracts is critical, as it directly affects the profits and costs for both suppliers and buyers, influenced by various factors including raw material prices, transportation costs, and market supply-demand dynamics [6]