polished aluminum oxide al2o3 ceramic plunger shaft piston

polished aluminum oxide al2o3 ceramic plunger shaft piston Reputation depends on quality,  quality comes from Hard! Alumina Ceramics: The performance and quality of domestically produced alumina ceramics are poor. Cannot meet market requirements. The quality and performance of Chinese polystyrene products are poor. Except for foreign investment and joint venture products, most of the products of domestic manufacturers cannot meet the performance and quality requirements of users in the electronics industry and it is difficult to enter this huge market. . In the electronics/electrical industry with the largest demand for polystyrene, imported products have an absolute advantage, and domestic resins are only used in a small amount, and they can only be used in low-end products. In order to ensure the quality of their products, well-known domestic electrical appliance manufacturers all use imported raw materials or products of foreign joint ventures. Even the expand…

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