华锐精密：公司主要原材料包括碳化钨粉、硬质合金棒材、钴粉和钽铌固溶体等

Core Viewpoint - The company, Huarui Precision, emphasizes its strategic management of key raw materials and its long-term relationships with suppliers to ensure stable production and pricing [2]. Group 1: Raw Material Management - The main raw materials for the company include tungsten carbide powder, hard alloy bars, cobalt powder, and tantalum-niobium solid solution [2]. - The procurement department implements unified management for raw material procurement based on production plans and market conditions to maintain reasonable inventory levels [2]. - The company determines procurement prices through inquiries and comparisons with qualified suppliers, considering quality, price, and delivery time before placing orders [2]. Group 2: Supplier Relationships - The company has established long-term and stable cooperative relationships with suppliers of key raw materials such as tungsten carbide powder, hard alloy bars, cobalt powder, and tantalum-niobium solid solution [2].