我公司经过多年努力，形成了完整的销售和服务体系。
My company after years of efforts to form a complete sales and service system.
公司经过多年的探索研究，突破了粘、接、镶、嵌等传统珠宝制作工艺的桎梏。
After years of research and development, the company have made breakthroughs in the traditional jewelry workmanships, including sticking, jointing, inlaying and embedding.
公司经过多年的研究和实验，现已成功开发出以防静电塑料包材为主的多系列产品。
After years of research and experimentation, it has been successfully developed ESD plastic packaging series products.
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