Develop and maintain customer relationships in Japan markets. Handle quotations, contract negotiations, order follow-ups, and payment collection to ensure revenue targets are met. Collect and analyze market information, providing reports on customer needs, product trends, and competitor activities. Coordinate with cross-functional departments (R&D, Production, Quality Assurance, Procurement) to ensure on-time delivery of customer orders. Conduct regular client visits, maintain long-term partnerships, and participate in international trade fairs. Achieve annual sales targets and execute market development plans.